Machine screw
01
机器螺丝, 金属螺丝
a threaded fastener designed to be used with a nut or threaded hole in metal or other materials, commonly used for fastening machine components or parts together in various industrial applications
例子
To secure the components, he tightened a machine screw with a wrench.
为了固定组件,他用扳手拧紧了一个机器螺丝。



























