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1、16、天鹅的故事第二课时王惠教学目标1、能正确、流利、有感情地朗读课文。理解课文内容，能回答课文后练习中的有关问题。2、引导学生用找关键词、句的方法来帮助理解课文，朗读时突出重点词语，体会内容，并能想象人物的心理活动。3、体会天鹅勇敢奉献、团结拚搏的精神，受到爱鸟护鸟、保护生态的教育。教学准备：多媒体课件教学过程一、导入：1、同学们，这节课我们继续学习第16 课（齐读）天鹅的故事。2、通过上节课的学习，我们知道俄罗斯老人斯杰潘老人给我们讲述了一个与天鹅有关的动人的故事。谁能说说是什么故事？指名回答，提示：说的时候要抓住老师常讲的：谁干什么？（怎么样）指名回答，学生整理，齐说。二、继续学习课文过
2、渡：让斯杰潘老人感动的天鹅破冰场景，你一定也想看看吧！（播放动画课件）看完了它们的破冰经过，你有什么想法？（指名说）这么感人的，难忘的天鹅破冰场面，文中如何用语言文字描述出来的呢？下面请同学们打开书，听清老师要求：默读老天鹅和一群天鹅破冰的场面，把让你感动的句子或词语用你喜欢的符号画出来。还可以在旁边写上自己的想法感受。学生默读课文1、我们先来看看老天鹅破冰的场面。（板书：老天鹅）指名回答，出示句子那你来告诉老师，哪些地方让你感动了？学生交流腾空而起：飞得高，落下来时力量才大，才有可能把冰打破，很勇敢。胸脯和翅膀：不怕死，不怕疼。打在冰上可能会断了，伤了，很勇敢。重重的：用的力量大。仅仅是疼吗
3、？还有可能会（死亡）。石头似的：这里运用的是比喻，把什么比作了石头？从高高的空中落下来的石头，力量很大，那老天鹅摔下来不是很疼吗？石头是不知道，老天鹅也不知道吗？可是即使疼，它也不吭一声，就像一块石头一样重重的从空中落下来，扑向冰面，目的是（打破冰）。这真是一只（）老天鹅呀！文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9
4、 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R
5、5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N1
6、0B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:C
7、G7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3
8、O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU1
9、0R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V
10、10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2它不仅是在与冰面搏斗，更是在与生命搏斗呀！你能读读这句话吗？指名读及时评价：（我仿佛听到了冰面在颤动你听，“砰”“兹”）再读。整节朗读。过渡：老天鹅这付出生命的拍打，也只使冰面颤动一下而已，这不是掂量不清自己的斤两自不量力吗？老天鹅是这样想的吗？（不是）你看引读：它摇摇头站了起来，又是引读句子第五节
11、（学生读），这时它的翅膀受伤了，浑身的骨头就像散了架，脑带也被摔得晕乎乎的，可它又晃晃悠悠的站了起来（引读句子）这哪里是一只天鹅呀，这分明就是一个不向命运低头的勇士呀！指句子，这里的省略号就告诉我们，它（指名回答又拍打了第四、五）它这样不停地拍打着，你看到了些什么？指名说说（放手让学生想象：可能是老天鹅的样子，可以是冰面上会有些什么）体会老天鹅的奋不顾身，舍生忘死。2、就在这样的拍打之下，冰层裂开了引读冰层破裂的句子（第六节前半部分）。文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R
12、2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10
13、M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS
14、4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3
15、N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码
16、:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10
17、Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 Z
18、U10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2这是一只多么（）老天鹅。文章通过老天鹅的动作描写，让我们看到了这感人的一幕。3、下面我们就来看看全天鹅破冰的场面。（板书：群天鹅）请学习
19、刚才的方法，朗读句子，看看哪些词语让你感动交流指名朗读，说体会“齐心”你还知道哪些成语或俗语说明这个意思的？（齐心协力等）那么你能通过你的朗读，把你的体会和他们热烈的场面读出来吗？理解“劳动号子”引读，你听，它们在那喊着再读，升华：坚持住哪加油！不怕苦哪加油！咬紧牙哪加油！就会胜哪加油！文章通过老天鹅的动作描写突出一个具体事物点的描写和群天鹅的破冰场面描写面的写法，给我们描绘出令人难忘的一幕。4、过渡：这是多么激动而又悲壮的场面！天鹅们具有这种精神，还有什么困难打不倒？引述第七节：终于，这小小的冰窟窿变成了一片很大的水面。所有的天鹅都同时结束了工作。它们昂着头，挺着胸，在水里游动着，捕食着鱼虾
20、，不是还发出“克噜克哩克哩！”同学们，如果这是你就是这其中的一员，这个时候你在说些什么？(指名回答)文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9
21、 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R
22、5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N1
23、0B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:C
24、G7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3
25、O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU1
26、0R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V
27、10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O25、难怪老人会说多么可爱的鸟啊！（板书：可爱）我（引读）再读句子。你能说说，老人此时的心情指名回答（被天鹅们勇于奉献、团结拼搏、奋不顾身、珍爱生命等精神感动）珍爱动物，保护动物是我们每个人义不容辞的责任！6、布置作业：课下同学们就可以把你刚才的回答写在课后第四题后面。三、总结全文斯杰潘老人被这群天鹅在危险面前勇于奉献、团结拼搏的精神感动，因而给我们讲述了这个故事。其实大自然中有许多动物都有这种珍爱生命、勇于奉献的精神，它们在危急关头，用自己的生命谱写了一首首生命的壮歌。我
28、们课本上的17 课就是这样的故事。课后，还同学们可以找找有关文章看一看如小蚬的故事。同学们，从现在起，爱护鸟类，保护鸟类吧！板书设计：16、天鹅的故事老天鹅勇于奉献可爱（爱鸟、护鸟）群天鹅团结拼搏文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V
29、10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2
30、HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7
31、V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档
32、编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B
33、10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9
34、 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2文档编码:CG7C7V3N10B2 HS4R5C1V10M9 ZU10R2B10Q3O2