用扳手拧松并拆下螺帽。( )
A.Loosen and remove nut with wrench. B.Tighten and torque nut with spanner. C.Remove and replace nut with wrench.正确答案A
用扳手拧松并拆下螺帽。( )
A.Loosen and remove nut with wrench. B.Tighten and torque nut with spanner. C.Remove and replace nut with wrench.正确答案A