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【单选题】
规范规定普通螺栓抗拉强度设计值只取螺栓钢材抗拉强度设计值的0.8 倍,是因为()
A.
偏安全考虑
B.
考虑实际作用时可能有偏心的影响
C.
撬力的不利影响
D.
上述A、B、C
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A.
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B.
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D.
危害性故障
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正确
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