spring lock washer 弹簧锁架垫片 ; 弹簧销紧垫圈 ; 螺丝弹簧垫片 ; 弹簧垫圈
door spring lock 门上弹簧锁
Single coil spring lock washers 标准型弹簧垫圈
Curved spring lock washers 弹簧垫圈
Spring lock washers 弹簧垫圈 ; 垫圈
spring lock fitting 弹簧锁管接头
spring lock insert 弹簧固定嵌件
N a type of lock having a spring-loaded bolt, a key being required only to unlock it 弹簧锁
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