A wide variety of options is available like sleeve lock, one-way and straight-thru designs, release clamp with chain, etc.
选择范围广，如套筒锁、单向关断、直通式及带链条的释放夹等。
Sureness is something like a neck brace, which we clamp around our lives, hoping to somehow protect ourselves from the frightening, constant whiplash of change.
确信就像一根我们套在生活上的项链，希望来保护自己免受变化令人可怕、不停地鞭笞。
In the school shop it is used for projects like hammer heads and clamp parts.
在校办工厂里由它制作锤头和夹具之类的产品。
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