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1、afairedsetoflines 经过光顺处理的一套型线astereopairofphotographs 一对立体投影相片abaft 朝向船体abandonmentcost 船舶废置成本费用accommodation居住铺位（舱室）accommodationladder 舷梯adjustvalve 调节阀adjustable-pitch 可调螺距式admiralty 海军部advancecoefficient 进速系数aerostatic 空气静力学的aftpeakbulkhead 艉尖舱壁aftpeaktank 艉尖舱aileron 副鳍aircushionvehicle 气垫船airdi
2、ffuser 空气扩散器airintake 进气口aircraftcarrier 航空母舰air-drivenwaterpump气动水泵airfoil气翼，翼剖面，机面，方向舵alignmentchock 组装校准用垫楔aluminumalloystructure 铝合金结构AmericanBureauofShipping 美国船级社amidships 舯amphibious 两栖的anchorarm 锚臂anchorchain 锚链anchorcrown 锚冠anchorfluke 锚爪anchormouth 锚唇anchorrecess 锚穴anchorshackle 锚卸扣anchors
3、tock 锚杆anglebar 角钢angleofattack 攻角angleplate 角板angleddeck 斜角甲板anticipatedloadsencounteredatsea 在波浪中遭遇到的预期载荷anti-pitchingfins 减纵摇鳍antirollfins 减摇鳍anti-rollingtank 减摇水舱appendage 附体artisan 技工assemblyline 装配流水线at-seareplenishment 海上补给augmentofresistance 阻力增额auxiliarysystems 辅机系统auxiliarytank 调节水舱axialad
4、vance 轴向进速backingstructure 垫衬结构back-upmember 焊接垫板balanceweight 平衡锤ballbearing 滚珠轴承ballvalve 球阀ballasttank 压载水舱bar型材barkeel 棒龙骨，方龙骨，矩形龙骨barge驳船baseline 基线basicdesign 基本设计batten 压条，板条beam 船宽，梁beambracket 横梁肘板bed-plategirder 基座纵桁bending-momentcurves 弯矩曲线Benoullislaw 伯努利定律berthterm 停泊期bevel 折角bidder 投标人
5、bilge 舭，舱底bilgebracket 舭肘板bilgeradius 舭半径bilgesoundingpipe 舭部边舱水深探管bitt 单柱系缆桩bladeroot 叶跟bladesection 叶元剖面blast 喷丸blockcoefficient 方形系数bluepeter 出航旗boardingdeck 登艇甲板boatdavit 吊艇架boatfall 吊艇索boatguy 稳艇索bobstay 首斜尾拉索bodyplan 横剖面图bolt 螺栓，上螺栓固定Bonjeancurve 邦戎曲线boom 吊杆boss 螺旋桨轴榖bottomsidegirder 旁底桁bottom
6、sidetank 底边舱bottomtransverse 底列板boundarylayer 边界层bowline 前体纵剖线bowwave 艏波bowsprit 艏斜桅bow-thruster 艏侧推器boxgirder 箱桁bracketfloor 框架肋板brake 制动装置brakeband 制动带brakecrankarm 制动曲柄brakedrum 刹车卷筒brakehydrauliccylinder 制动液压缸brakehydraulicpipe刹车液压管breadthextreme 最大宽，计算宽度breadthmoulded 型宽breakbulk 件杂货breasthook
7、艏肘板bridge 桥楼，驾驶台bridgeconsolestand 驾驶室集中操作台BSRA 英国船舶研究协会buckle 屈曲bufferspring 缓冲弹簧built-upplatesection 组合型材bulbplate 球头扁钢bulbousbow 球状船艏，球鼻首bulkcarrier 散货船bulkoilcarrier 散装油轮bulkhead 舱壁bulwark 舷墙bulwarkplate 舷墙板bulwarkstay 舷墙支撑buoytender 航标船buoyant 浮力的buoyantbox 浮箱BureauVeritas 法国船级社buttweld 对缝焊接but
8、terflyscrewcap 蝶形螺帽buttock 后体纵剖线byconvention 按照惯例，按约定cableship 布缆船cablewinch 钢索绞车CAD(computer-aideddesign)计算机辅助设计CAM(computer-aidedmanufacturing)计算机辅助制造CAE(computer-aidedengineering)计算机辅助工程camber 梁拱cantbeam 斜横梁cantframe 斜肋骨cantileverbeam 悬臂梁capacityplan 舱容图CAPP(computeraidedprocessplanning)计算机辅助施工计划
9、制定capsize 倾覆capsizingmoment 倾覆力臂captain 船长captured-air-bubblevehicle 束缚气泡减阻船cargocubic 货舱舱容，载货容积cargohandling 货物装卸carriage 拖车，拖架caststeelstempost 铸钢艏柱catamaran 高速双体船catamaran 双体的cavitation 空泡cavitationnumber 空泡数cavitationtunnel 空泡水筒centerkeelson 中内龙骨centerlinebulkhead 中纵舱壁centroid 型心，重心，质心，矩心chainca
10、blestopper 制链器chart 海图charterer 租船人chiefengineer 轮机长chine 舭，舷，脊chock 导览钳CIM(computerintegratedmanufacturing)计算机集成组合制造circulationtheory 环流理论classificationsociety 船级社cleat 系缆扣clipperbow 飞剪型船首clutch 离合器coastalcargo 沿海客货轮cofferdam 防撞舱壁combinedcastandrolledstem 混合型艏柱commercialship 营利用船commissaryspaces 补给
11、库舱室，粮食库commoncarrier 通用运输船commuter 交通船compartment 舱室compass 罗经conceptdesign 概念设计connectingtank 连接水柜constant-pitchpropeller 定螺距螺旋桨constraintcondition 约束条件container 集装箱containerized 集装箱化contractdesign 合同设计contra-rotatingpropellers 对转桨controllable-pitch 可控螺距式corrosion 锈蚀，腐蚀couple 力矩，力偶crane 克令吊，起重机cran
12、k 曲柄crest(ofwave)波峰crewquarters 船员居住舱criterion 判据，准则CriticalPathMethod 关键路径法cross-channelautomobileferries 横越海峡车客渡轮cross-sectionalarea 横剖面面积crowsnest 桅杆瞭望台cruiserstern 巡洋舰尾crussingrange 航程cupandballjoint 球窝关节curvature 曲率curvesofform 各船形曲线cushionofair 气垫damagestability 破损稳性damper 缓冲器damping 阻尼davitar
13、m 吊臂deadweight 总载重量de-ballast 卸除压载decklineatside 甲板边线decklongitudinal 甲板纵骨deckstringer 甲板边板decktransverse 强横梁deckhouse 舱面室，甲板室deepvhull 深v型船体delivery 交船depth 船深derrick 起重机，吊杆designmargin 设计余量designspiral 设计螺旋循环方式destroyer 驱逐舰detachableshackle 散合式连接卸扣detaildesign 详细设计diagonalstiffener 斜置加强筋diagram 图，
14、原理图，设计图dieselengine 柴油机dimensionlessratio 无量纲比值displacement 排水量displacementtypevessel 排水型船distributedload 分布载荷division站，划分，分隔dowork 做功dock 泊靠doublehook 山字钩doubleiterationprocedure 双重迭代法doublerollerchock 双滚轮式导览钳double-actingsteamcylinder 双向作用的蒸汽气缸downhalyard 降帆索draft 吃水drag 阻力，拖拽力drainage 排水draught 吃
15、水，草图，设计图，牵引力dredge 挖泥船drift 漂移，偏航drillingrig 钻架drillship钻井船driveshaft 驱动器轴drivinggearbox 传动齿轮箱drivingshaftsystem 传动轴系drydock 干船坞ductedpropeller 导管螺旋桨dynamicsupportedcraft 动力支撑型船舶dynamometer 测力计，功率计e.h.p 有效马力eccentricwheel 偏心轮echo-sounder 回声探深仪eddy 漩涡eddy-makingresistance 漩涡阻力efficiency 供给能力，供给量elect
16、rohydraulic 电动液压的electroplater 电镀工elevations 高度，高程，船型线图的侧面图，立视图，纵剖线图，海拔empiricalformula 经验公式enclosedfabricationshop 封闭式装配车间enclosedlifeboat 封闭式救生艇endopenlink 末端链环endshackle 末端卸扣endurance 续航力endurance 续航力，全功率工作时间engineroomframe 机舱肋骨engineroomhatchendbeam 机舱口端梁ensignstaff 船尾旗杆entrance 进流段erection 装配，安
17、装exhaustvalve 排气阀expandedbracket 延伸肘板expansionjoint 伸缩接头extrapolate 外插fair 光顺faisedfloor 升高肋板fan 鼓风机fatigue 疲劳feasibilitystudy 可行性研究featheringblade 顺流变距桨叶fender 护舷ferry 渡轮，渡运航线filletweldconnection 贴角焊连接finanglefeedbackset 鳍角反馈装置finefastship 纤细高速船fineform 瘦长船型finiteelement 有限元firetubeboiler 水火管锅炉fixe
18、d-pitch 固定螺距式flange 突边，法兰盘flankingrudders 侧翼舵flap-typerudder 襟翼舵flare 外飘，外张flatofkeel 平板龙骨fleetsofvessels 船队flexural 挠曲的floatingcrane 起重船floodablelengthcurve 可进长度曲线flowofmaterials 物流flowpattern 流型，流线谱flushdeckvessel 平甲板型船flyingbridge 游艇驾驶台flyingjib 艏三角帆foldingbatchcover 折叠式舱口盖foldingretractablefinst
19、abilizer 折叠收放式减摇鳍followingedge 随边followingship 后续船footbrake 脚踏刹车forepeak 艏尖舱forgedsteelstem锻钢艏柱forging锻件，锻造forwarddraftmark船首水尺forward/aferperpendicular艏艉柱forward/aftershoulder前/后肩foundrycasting翻砂铸造frame船肋骨，框架，桁架freeboard干舷freeboarddeck干舷甲板freightrate运费率freshwaterloadline淡水载重线frictionalresistance摩擦阻
20、力Froudenumber傅汝德数fuel/watersupplyvessel油水供给船fullform丰满船型fullscale全尺度fullness丰满度funnel烟囱furnishings内装修gaff纵帆斜桁gaffforesail前桅主帆gangway舷梯ganttchart甘特图gasketedopenings装以密封垫的开口generalarrangement总布置generalcargoship杂货船generatrix母线geometricallysimilarform外形相似船型girder桁梁，桁架girderoffoundation基座纵桁governmentalau
21、thorities政府当局，管理机构gradient梯度gravingdock槽式船坞GreenBook绿皮书，19世纪英国另一船级社的船名录，现合并与劳埃德船级社，用于登录快速远洋船grosston长吨（1.016公吨）grouptechnology成祖建造技术GT成组建造技术guided-missilecruiser导弹巡洋舰gunwale船舷上缘gunwaleangle舷边角钢gunwaleroundedthickstrake舷边圆弧厚板guyline定位索gypsy链轮gyro-pilotsteeringindicator自动操舵操纵台gyroscope回转仪halfbreadthpl
22、an半宽图halfdepthgirder半深纵骨halfroundedflatplate半圆扁钢hardchine尖舭hatchbeamsockets舱口梁座hatchcoaming舱口围板hatchcover舱口盖hatchcover舱口盖板hatchcoverrack舱口盖板隔架hatchsidecantilever舱口悬臂梁hawsepipe锚链桶hawsehole锚链孔heave垂荡heel横倾heelpiece艉柱根helicoidal螺旋面的，螺旋状的hinge铰链hingedsterndoor艉部吊门HMS英国皇家海军舰艇hog中拱hold船舱homogeneouscylinde
23、r均质柱状体hopperbarge倾卸驳horizontalstiffener水平扶强材hub桨毂，轴毂，套筒hullform船型，船体外形hullgirderstress船体桁应力HVAC(heatingventilatingandcooling)取暖，通风与冷却hydraulicmechanism液压机构hydrodynamic水动力学的hydrofoil水翼hydrostatic水静力的IAGG(interactivecomputergraphics)交互式计算机图像技术icebreaker破冰船IMCO(IntergovernmentalMaritimeConsultativeOrga
24、nization)国际海事质询组织immerse浸水，浸没impactload冲击载荷imperialunit英制单位instrake内列板inboardprofile纵剖面图incrementalplasticity增量塑性independenttank独立舱柜initialstabilityatsmallangleofinclination 小倾角初稳性inlandwaterwaysvessel内河船innerbottom内底in-planeload面内载荷intactstability完整稳性intercostals肋间的，加强的InternationalAssociationofCla
25、ssificationSociety(IACS)国际船级社联合会InternationalTowingTankConference(ITTC)国际船模试验水池会议intersection交点，交*，横断（切）inventorycontrol存货管理iterativeprocess迭代过程jack船首旗 千斤顶joinery细木工keel龙骨kentershackle双半式连接链环Kristen-Boeingpropeller正摆线推进器landingcraft登陆艇launch发射，下水 汽艇launchingequipment（向水中）投放设备LCC大型原油轮leadingedge导缘，导边
26、ledge副梁材lengthoverall总长leveler调平器，矫平机lifesavingappliance救生设备lifebuoy救生圈lifejacket救生衣liftfan升力风扇liftoffsets量取型值lightloaddraft空载吃水lighteninghole减轻孔light-ship空船limbersboard舭部污水道顶板linertrade定期班轮营运业lines型线linesplan型线图Linneanhierarchicaltaxonomy林式等级式分类学liquefiedgascarrier液化气运输船liquefiednaturalgascarrier液化
27、天然气船liquefiedpetroleumgascarrier液化石油气船liquidbulkcargocarrier液体散货船liquidchemicaltanker液体化学品船list倾斜livingandutilityspaces居住与公用舱室LloydsRegisterofshipping劳埃德船级社LloydsRules劳埃德规范LoadLineConvention载重线公约loadlineregulations载重线公约，规范loadwaterplane载重水线面loftfloor放样台longitudinal(transverse)纵（横）稳心高longitudinalbend
28、ing纵总弯曲longitudinalstrength纵总强度longitudinallyframedsystem纵骨架式结构luffingwinch变幅绞车machineryvendor机械（主机）卖方magnetgantry磁力式龙门吊maidenvoyage处女航mainimpeller主推叶轮mainshafting主轴系majorship大型船舶maneuverability操纵性manhole人孔marginplate边板maritime海事的，海运的，靠海的markdiskofspeedadjusting速度调整标度盘mast桅杆mastclutch桅座matrix矩阵merch
29、antship商船MerchantShipbuildingReturn商船建造统计表metacenter稳心metacentricheight稳心高metalplatepath金属板电镀槽metalworker金属工metricunit公制单位middlelineplane中线面midshipsection舯横剖面midshipsectioncoefficient中横剖面系数ML物资清单，物料表modeltank船模试验水池monitoringdeskofmainengineoperation 主机操作监视台monitoringscreenofscrewworkingcondition 螺旋桨
30、运转监视屏moreshapetotheshell船壳板的形状复杂mouldloft放样间multihullvessel多体船multi-purposecarrier多用途船multi-shipprogram多种船型建造规划mushroomventilator蘑菇形通风桶mutuallyexclusiveattribute相互排它性的属性N/C数值控制nauticalmile海里navalarchitecture造船学navigationarea航区navigationdeck航海甲板near-universalgear 准万向舵机，准万向齿轮net-loadcurve静载荷曲线neutrala
31、xis中性轴，中和轴neutralequilibrium中性平衡non-retractablefinstabilizer非可伸缩性尾翼normal法向的，正交的normaloperatingcondition常规运作状况nosecone螺旋桨整流帽notch开槽，开凹口oar橹，桨obliquebitts斜式双柱系缆桩oceangoingship远洋船off-centerloading偏离中心的装载offsets型值offshoredrilling离岸钻井offshorestructure离岸工程结构物oilfiller加油点oilskimmer浮油回收船oil-rig钻油架on-deckgi
32、rder甲板上桁架openwater敞水optimalitycriterion最优性准则orecarrier矿砂船orthogonal矩形的orthogonal正交的outstrake外列板outboardmotor舷外机outboardprofile侧视图outerjib外首帆outfit舾装outfitter舾装工outrigger舷外吊杆*头overallstability总体稳性overhang外悬paddle桨paddle-wheel-propelled明轮推进的PanamaCanal巴拿马运河pantingbeam强胸横梁pantingstringer抗拍击纵材parallelmi
33、ddlebody平行中体partialbulkhead局部舱壁payload有效载荷perpendicular柱，垂直的，正交的photogrammetry投影照相测量法piledrivingbarge打桩船pillar支柱pinjig限位胎架pintle销，枢轴pipefitter管装工pipelayingbarge铺管驳船piston活塞pitch螺距pitch纵摇planviews设计图planninghull滑行船体Plimsollline普林索尔载重线polar-explorationcraft极地考察船poop尾楼port左舷portcall沿途到港停靠positiverighti
34、ngmoment正扶正力矩powerandlightingsystem动力与照明系统precept技术规则preliminarydesign初步设计pressurecoaming阻力式舱口防水挡板principaldimensions主尺度ProgramEvaluationandReviewTechnique技术评估书progressiveflooding累进进水project探照灯propellershaftbracket尾轴架PVCfoamedplasticPVC泡沫塑料quadrant舵柄qualityassurance质量保证quarter居住区quarterpillar舱内侧梁柱qu
35、arteringsea尾斜浪quasi-steadywave准定长波quay码头，停泊所quotation报价单racking倾斜，变形，船体扭转变形radiography X射线探伤rake 倾斜rakedbow 前倾式船首raster 光栅refrigeratedcargoship 冷藏货物运输船Register（船舶）登录簿，船名录RegistoItalianoNavade 意大利船级社regulatingknoboffuelpressure 燃油压力调节钮reservebuoyancy 储备浮力residuaryresistance 剩余阻力resultant 合力reversefra
36、me 内底横骨Reynoldsnumber 雷诺数right-handedpropeller 右旋进桨rightingarm 扶正力臂，恢复力臂rigidsidewalls 刚性侧壁riseoffloor底升riverinewarfarevessel内河舰艇rivet铆接，铆钉roll横摇roll-on/roll-off(Ro/Ro)滚装rotaryscrewpropeller回转式螺旋推进器roundedgunwale修圆的舷边roundedsheerstrake圆弧舷板rubbertile橡皮瓦rudder舵rudderbearing舵承rudderblade舵叶ruddercontrol
37、rod操舵杆ruddergudgeon舵钮rudderpintle舵销rudderpost舵柱rudderspindle舵轴rudderstock舵杆ruddertrunk舵杆围井run去流段sag中垂salvageliftingvessel救捞船scale缩尺，尺度schedulecoordination生产规程协调schedulereviews施工生产进度审核screenbulkhead轻型舱壁Seakeepingperformance耐波性能seaspectra海浪谱seastate海况seakeeping适航性seasickness晕船seaworthness适航性seaworthne
38、ss适航性sectionmoulus剖面模数sectiongs剖面，横剖面self-induced自身诱导的self-propulsion自航semi-balancedrudder半平衡舵semi-submersibledrillingrig半潜式钻井架shaftbossing轴榖shaftbracket轴支架shear剪切，剪力shearbuckling剪切性屈曲shearcurve剪力曲线sheer舷弧sheeraft艉舷弧sheerdrawing剖面图sheerforward艏舷弧sheerplane纵剖面sheerprofile总剖线sheerprofile纵剖图shellplatin
39、g船壳板shipfitter船舶装配工shiphydrodynamics船舶水动力学shipway船台shipyard船厂shroudedscrew有套罩螺旋桨，导管螺旋桨sideframe舷边肋骨sidekeelson旁内龙骨sideplate舷侧外板sidestringer甲板边板single-cylinderengine单缸引擎sinkage升沉sixdegreesoffreedom六自由度skinfriction表面摩擦力skirt（气垫船）围裙slamming砰击sleeve套管，套筒，套环slewinghydraulicmotor回转液压马达slice一部分，薄片slopingsh
40、ipway有坡度船台slopingtopplateofbottomsidetank 底边舱斜顶板slopintbottomplateoftopsidetank 定边舱斜底板softchine圆舭sonar声纳spaderudder悬挂舵spectacleframe眼睛型骨架speed-to-lengthratio速长比sponsondeck舷伸甲板springing颤振stability稳性stableequilibrium稳定平衡starboard右舷staticequilibrium静平衡steamer汽轮船steeringgear操纵装置，舵机stem船艏stemcontour艏柱型线s
41、tern船艉sternbarrel尾拖网滚筒sterncounter尾突体sternramp尾滑道，尾跳板sterntransomplate尾封板sternwave艉波stiffen加劲，加强stiffener扶强材，加劲杆straddle跨立，外包式叶片strain应变strake船体列板streamline流线streamlinedcasing流线型套管strengthcurves强度曲线strengthdeck强力甲板stressconcentration应力集中structuralinstability结构不稳定性strut支柱，支撑构型subassembly分部装配subdivisi
42、on分舱submergednozzle浸没式喷口submersible潜期suctionbackofablade桨叶片抽吸叶背SuezCanaltonnage苏伊士运河吨位限制summerloadwaterline夏季载重水线superintendent监督管理人，总段长，车间主任superstructure上层建筑SupervisionoftheSocietyssurveyor 船级社验船师的监造书suppercavitatingpropeller超空泡螺旋桨surfacenozzle水面式喷口surfacepiercing穿透水面的surfacepreparationandcoating
43、表面加工处理与喷涂surge纵荡surmount顶上覆盖，越过swageplate压筋板swashbulkhead止荡舱壁SWATH(SmallWaterplaneAreaTwinHull)小水线面双体船sway 横荡tail-stabilizeranchor 尾翼式锚talkingpaper 讨论文件tangential 切向的，正切的tangentialviscousforce 切向粘性力tanker 油船tee T型构件，三通管tender 交通小艇tensilestress 拉（张）应力thermaleffect 热效应throttlevalve 节流阀throughput 物料流量t
44、hrust 推力thruster 推力器，助推器timbercarrier 木材运输船tipofablade 桨叶叶梢tipvortex 梢涡toedtowardsamidships 趾部朝向船舯tonnage 吨位torpedo 鱼雷torque 扭矩trailingedge 随边transomstern 方尾transversebulkheadplating 横隔舱壁板transversesection 横剖面transversestability 横稳性trawling 拖网trial 实船试验trim 纵倾trimbythestern/bow 艉艏倾trimaran 三体的trippi
45、ngbracket 防倾肘板trough 波谷tugboat 拖船tumblehome（船侧）内倾tunnelwalleffect 水桶壁面效应turnableblade 可转动式桨叶turnableshroudedscrew 转动导管螺旋桨tweendeckcargospace 甲板间舱tweendedkframe 甲板间肋骨twonoddedfrequency 双节点频率ULCC 超级大型原油轮ultrasonic 超声波的underwriter（海运）保险商unsymmetrical 非对称的uprightposition 正浮位置vaporpocket 气化阱ventilationan
46、dairconditioningdiagram 通风与空调铺设设计图Venturisection 文丘里试验段verticalprismaticcoefficient 横剖面系数vertical-axis(cycloidal)propeller 直叶（摆线）推进器vesselcomponentvender 造船部件销售商viscosity 粘性VLCC 巨型原油轮Voith-Schneiderpropeller 外摆线直翼式推进器v-section v型剖面wakecurrent 伴流，尾流waterjet 喷水（推进）管waterplane 水线面watertightintegrity 水密
47、完整性wavepattern 波形wavesuppressor 消波器，消波板wave-makingresistance 兴波阻力weatherdeck 露天甲板web 腹板webbeam 强横梁webframe 腹肋板welder 焊工wettedsurface 湿表面积winch 绞车windlass 起锚机wingshaft 侧轴wing-keel 翅龙骨（游艇）workingallowance 有效使用修正量wormgear 蜗轮，蜗杆yacht 快艇yardissue 船厂开工任务发布书yards 帆桁yaw 首摇Inspection structure integrity and
48、welding seam完工后检查结构完整性和焊缝Inspection structure integrity after completing the superstructure.上层建筑完后结构完整性检查Checking the joint accuracy and structure integrity合拢后大接头装配精确性和结构完整性检查Checking structure integrity of superstructure(deckhouse)after closed.上层建筑合拢后结构完整性检查Inspecting fitting accuracy of hatch coam
49、ing on berth.货舱口围板船上安装精度检查Inspecting welding seam of hatch coaming after welding.货舱口围板焊接后焊缝检查Inspection air pressure test(with water head)for No1.ballast water tank(No15 block).No1压载水舱（No.15分段）气压试验（压头试验）检查Inspection hosing test for upper deck.上甲板冲水试验检查Measuring hulls main dimensions:length overall(L
50、OA.),length between perpendiculars(LPP.),breath molded(B.mld.),depth molded and deflection before launching.下水前测量船体主尺度、总长、两柱间长、型宽、型深、基线挠度Inspection distance between draught marks and keel plate after marking out.划线后检查吃水标尺至平板龙骨之间的距离Inspecting fitting accuracy of draught mark(loadline mark).吃水标志（载重线标志