1[单选题] 三个刚片用三个铰两两相联，所得的体系 A.一定为几何不变体系 B.一定为几何瞬变体系 C.一定为几何常变体系 D.不能确 - 查题网

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河南成教 / 工程力学

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1[单选题]
三个刚片用三个铰两两相联，所得的体系

A.一定为几何不变体系

B.一定为几何瞬变体系

C.一定为几何常变体系

D.不能确定

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工程力学

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