A.5mm B.6mm C.7mm D.8mm
A.導(dǎo)軌接頭間隙 B.導(dǎo)軌垂直度 C.楔塊拉桿的端螺母 D.安全鉗楔塊大小
A.1~2mm B.2~3mm C.3~4mm D.4~5mm