《2022年人教版九年级物理第十三章第1节热机教学案 .pdf》由会员分享，可在线阅读，更多相关《2022年人教版九年级物理第十三章第1节热机教学案 .pdf（6页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、第 1 节 热 机学习目标知识与技能1了解四冲程汽油机的基本工作原理；2知道热机工作过程中的能量转化情况，知道四冲程内燃机的工作过程。过程与方法1通过演示实验了解可以利用内能来做功；2利用挂图或模型讲解四冲程汽油机的基本结构和工作原理；3通过阅读“科学世界现代汽车”了解汽车的一些常识。情感态度与价值观1通过演示实验培养学生观察和分析问题的能力；2通过阅读“科学世界现代汽车”扩展知识面。教学重点难点四冲程汽油机的工作原理及能量的转化过程。一、引入新课探究活动1：塞子的机械能从哪里来？请同学们观察实验现象，并试分析这个过程中能量的转化情况。1试管内装些水，用酒精灯加热，会看到什么现象？2若用橡皮塞
2、塞住试管口，再继续给水加热，又会看到什么现象？分析实验过程中的能量转化：燃料的化学能通过燃烧转化为水和水蒸气的内能；水蒸气又通过对木塞做功，把水蒸气的内能转化为木塞的机械能。一、内能的利用1利用内能做功2利用内能来（加热）热传递二、热机1热机：利用内能做功的机械。2从能量角度将内能转化为机械能的机器。探究活动2：生活中你见过什么热机？这些热机有哪些特点？文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档
3、编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2
4、F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档
5、编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2
6、F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档
7、编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2
8、F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3蒸汽
9、机车潍柴动力 WD12 大功率柴油机涡轮增压汽油机国产客机ARJ21用 GE发动机3热机的分类：外燃机：如蒸汽机内燃机：如汽油机、柴油机、喷气式发动机三、内燃机：常见内燃机分为：汽油机和柴油机1汽油机：A构造图：B工作过程吸气冲程压缩冲程做功冲程排气冲程文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V
10、7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U
11、2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V
12、7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U
13、2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V
14、7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U
15、2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V32柴油机：结构图：三、巩固练习1如图所示是汽油机工作循环中的某一冲程，这个冲程是()A吸气冲程B压缩冲程C
16、做功冲程D排气冲程2一个工作循环由个冲程组成，曲轴和飞轮转周，对外做次功，只有冲程是燃气对外做功，其他三个冲程是辅助冲程，要靠安装在曲轴上的飞轮的惯性来完成。启动时，都是靠先使飞轮和曲轴转动起来。3四个冲程中哪些冲程发生了怎样的能量转化？4冲程使机器获得动力？冲程排出了汽车的尾气？文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V
17、3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP
18、6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V
19、3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP
20、6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V
21、3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP
22、6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3四、课堂小结1内能的利用：做功和热传递2热机及其分类3内燃机：汽油机和柴油机的
23、构造和工作原理。五、布置作业1如图所示的四种交通工具，不用热机作为动力机械的是()A.自行车B.轮船C.卡车D.飞机2关于四冲程汽油机的工作过程有以下几种说法：在压缩冲程中，是机械能转化为内能；在做功冲程中，是内能转化为机械能；只有做功冲程是燃气对外做功；汽油机和柴油机的点火方式相同以上说法中正确的是()A只有B只有C只有D3如图 14-1-1 所示是四冲程内燃机工作循环中的一个冲程，它是()A压缩冲程，将内能转化为机械能B压缩冲程，将机械能转化为内能C做功冲程，将内能转化为机械能D做功冲程，将机械能转化为内能4从原理的发现到实际的应用，往往要解决许多技术上的难题汽油机只有在做功冲程中燃气才给
24、活塞一个动力，但汽油机却可以连续工作，其中关键部件是()A火花塞B连杆C曲轴和飞轮D进气门和排气门5如图 14-1-2 所示是内燃机的某冲程工作示意图，以下改变内能方式与此相同的是()A烤火取暖B搓手取暖C向手“呵气”取暖文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3
25、ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X
26、6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3
27、ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X
28、6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3
29、ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X
30、6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3D用热水袋取暖6汽油机在压缩冲程中工作物质被压缩，汽缸中的()A压强增大，温度降低B压强减小，温度升高C压强增大，温度升高D压强减小，温度
31、降低7一个单缸四冲程柴油机转1800 r/min，则每秒钟燃气做功_次，曲轴每秒转动_转；活塞往复运动_次；吸气、压缩、排气冲程靠_完成8、下列流程图是用来说明单缸四冲程汽油机的一个工作循环及涉及到的主要能量转化情况关于对图中的补充正确的是（）A做功冲程内能转化为机械能压缩冲程机械能转化为内能B压缩冲程内能转化为机械能做功冲程机械能转化为内能C压缩冲程机械能转化为内能做功冲程内能转化为机械能D做功冲程机械能转化为内能压缩冲程内能转化为机械能9、一台单缸四冲程柴油机转速为1200 转/min，则柴油机1s 内（）A、完成 20 个冲程，做功20 次 B、完成 40 个冲程，做功40 次C、完成
32、40 个冲程，做功10 次 D、完成 20 个冲程，做功10 次6汽油机在压缩冲程中工作物质被压缩，汽缸中的()A压强增大，温度降低B压强减小，温度升高C压强增大，温度升高D压强减小，温度降低文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码
33、:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9
34、I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码
35、:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9
36、I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码
37、:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3文档编码:CR2X6X9V7C1 HP6N2F9I4F3 ZI6U2J2Y6V3