【建筑】保险螺栓（保险螺栓）【建筑】锁定螺栓（保险螺栓）

form-locking connection, strength connection, frictional connection

route locking

locking bolt

locking mechanism for dispensing devices

spring stop-nut locking fastener【机】

quick-acting coupling, locking by means of locking balls

lock with a pivoted latch as locking means

centrally controlled locking system