两个刚片用三链杆相联形成无多余约束的几何不变体系的充分必要条件是（） -题库考试答案搜索网

两个刚片用三链杆相联形成无多余约束的几何不变体系的充分必要条件是（）

单选题

2021-07-17 20:17

A、三链杆不互相平行
B、三链杆互相平行
C、三链杆交于一点
D、三链杆不互相平行也不汇交

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正确答案

D

试题解析

标签：土木工程专升本结构力学 19级补考 2020年第二学期补考建筑工程技术高起专水利水电建筑工程道路桥梁与渡河工程

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