吊车起吊重物时，钢丝绳的变形是（）_精华吧

吊车起吊重物时，钢丝绳的变形是（）

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吊车起吊重物时，钢丝绳的变形是（）

A.拉伸

B.弯曲

C.扭转

D.压缩

正确答案：拉伸

Tag：材料力学钢丝绳重物时间：2022-03-03 16:16:12

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