?止动爪

... locking of propeller 螺旋桨锁定 locking pawl 止动爪 locking piece 锁紧件 ...

?销定瓜

... 小暗竖井：monkey shaft 销定瓜：locking pawl 硝化纡维：nitrocellulose ...

?制动爪

... locking bar 锁闭杆,锁条, 锁尺... locking pawl 制动爪 route locking 进路锁闭 ...