• It's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddlewheel.

    一个很简单问题通过观察重量多少以及下降了多确定多少

    youdao

  • So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.

    我们看看重物质量,以及下落距离,就知道做了多少

    youdao

  • Given that a 747 or 777 is built around an aluminum frame, how difficult would it be and how much weight would be saved by "re-skinning" with the same material that is being used for the 787?

    既然747777,是围绕一个多么困难多少重量,将所节省再剥皮”,同样材料被用于787吗?

    youdao

  • Given that a 747 or 777 is built around an aluminum frame, how difficult would it be and how much weight would be saved by "re-skinning" with the same material that is being used for the 787?

    既然747777,是围绕一个多么困难多少重量,将所节省再剥皮”,同样材料被用于787吗?

    youdao

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