未知题型
判断一个压杆属于三类压中的那一类时，须全面考虑杆的( )。
- A.材料，约束状态，长度，截面形状和尺寸
B.载荷，约束状态，长度，截面形状和尺寸
C.载荷，材料，长度，截面形状和尺寸
D.载荷，材料，约束状态，截面形状和尺寸
【参考答案】
参考A
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