A.1/4轉(zhuǎn)和1/2轉(zhuǎn) B.1/4轉(zhuǎn)和1/3轉(zhuǎn) C.1/3轉(zhuǎn)和1/2轉(zhuǎn)
A.6等或3級 B.6等或4級 C.5等或4級
A.0.010mm B.松開為0.006,緊固為0.010mm C.0.006mm