一种金属器材，通常钉在岩石上作为保护点，上面有洞可以连接钩环。
Bolt (n. ) metal secured into a drilled hole in the rock as means of protection. Often accompanied by a hanger, an eyelet to which a carabiner can attach.
如有汗等液体时，可将助听器连接软管与助听器耳钩分离排除。
If the sweat liquid, the hearing aid connecting hose and hearing aid ear hook separation rule.
用于将隔断板框与面板支架、插销栓、以及衣帽钩连接的安装螺栓采用的都是贯穿螺栓。
Mounting screws for stile to panel bracket, latch keeper, and coat hook connections are through-bolted.
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