某一时刻液流中各处质点运动状态的一条曲线称为（）。_精华吧

某一时刻液流中各处质点运动状态的一条曲线称为（）。

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某一时刻液流中各处质点运动状态的一条曲线称为（）。

A.迹线

B.水线

C.质线

D.流线

正确答案：流线

Tag：液压传动质点水线时间：2022-01-17 21:38:03

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