three point latch

... ) self-latching bolt 自锁式门闩 ) three point latch 三点式门锁 ) interlocking device for gates 闸门互锁式机件 ...

... three bagger 三级火警的火灾 three point latch 三点式门锁一种自锁式装置 three-dimensional gas fire 三维气体火灾 ...