What is a screw?
Column：Company News
Time：2012-07-16
A screw is a simple machine used to hold things together. You can find screws in almost any piece of furniture such as chairs and tables.
A screw is a simple machine used to hold things together. You can find screws in almost any piece of furniture such as chairs and tables.
A cylindrical rod incised with one or more helical or advancing spiral threads,as a lead screw or worm screw.
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