垂直于受力方向,螺栓中心至板件(构件)边缘的距离为()。 A.栓距B.端距C.边距D.以上均不对
垂直于受力方向,螺栓中心至板件(构件)边缘的距离为()。
A.栓距
B.端距
C.边距
D.以上均不对
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