Materials to be used for structural purpose are chosen so as to behave elastically in the environmental condition.

用于结构上的材料必须选择得使它们在周围环境条件下具有弹性。

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Materials to be used for structural purpose are chosen so as to behave elastically in the environmental condition.

用于结构上的材料必须选择得使它们在周围环境条件下具有弹性。

youdao