Vandal-resistant, Pin-in-Head Torx Screws attach hinges, door stops, door latch keepers and mounting hardware.
抗粗暴使用的钉入式梅花螺丝用于加固合叶、门挡、门插销和门栓，以及安装五金件。
Door locks on automobiles and most high-security locks have pin tumblers.
门锁和汽车最高级的安全锁有脚酒杯。
Here is the lavatory. Open the door this way. Once getting inside, switch this pin to latch. Do not hurt your hand while opening the door.
这是卫生间，这样开门，进去后通过这个销子插门，小心开门时夹手。
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