如图是轮船通过三峡船闸的示意图，它是利用原理工作的，此时上游阀门a打开，下游阀门b关闭，和闸室构成此装置（选填“下游”或“上游”）；阀门a左侧 Sketch Coloring Page

如图是轮船通过三峡船闸的示意图，它是利用原理工作的，此时上游阀门a打开，下游阀门b关闭，和闸室构成此装置（选填“下游”或“上游”）；阀门a左侧 Template

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sketch #2627 Taz by sketchmaster

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tomski如图是轮船通过三峡船闸的示意图，它是利用原理工作的，此时上游阀门a打开，下游阀门b关闭，和闸室构成此装置（选填“下游”或“上游”）；阀门a左侧 coloring

如图是轮船通过三峡船闸的示意图，它是利用原理工作的，此时上游阀门A打开，下游阀门B关闭，和闸室构成此装置（选填“下游”或“上游”）；阀门A左侧 sketch template

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13．三峡船闸是世界上最大的人造连通器下图是轮船通过船闸的示意图此时上游阀门A打开下游阀门B关闭下列说法正确的是 A．闸室和 sketch template

图是轮船通过船闸时的示意图说明下一步应先打开的是 再打开的是 ．填“A “B “C “D 题目和参考答案——青夏教育精英家教�—— sketch template

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�国举世瞩目的三峡大坝全线建成．拦河大坝之所以修成“上窄下宽 的形状是因为．三峡大坝的船闸是 在实际中的具体运用它能让大型轮船在上下游 sketch template

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题目如图1拦河大坝修成“上窄下宽 的形状是因为液体的压强随深度的增加而图2中船闸仅阀门A打开上游和闸室组成．题目和参考答案 sketch template

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