短语词组短語locking g pin 鎖銷locking crank pin 定位銷locking shaft pin 鎖軸杆銷locking center pin 鎖緊中心銷locking split pin 保險開口銷upper locking -pin 上鎖銷safety locking pin 安全栓locking g shaft pin 鎖軸杆銷locking pin protector flap 鎖針保護佈 返回 locking pin