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8.8级的M24高强度螺栓，设计预拉力为l75kN，则该高强度螺栓的抗拉承载力为

高老师2年前 (2024-03-27)钢结构(02442)13

8.8级的M24高强度螺栓，设计预拉力为l75kN，则该高强度螺栓的抗拉承载力为

A.105kN

B.140kN

C.157.5kN

D.175kN

正确答案是B

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