What is a Screw? What is a Bolt?
什么是螺钉？什么是螺栓？
Screw eyes, screw eye, eye bolt...
钩头螺栓，吊钩，螺丝钩。
To drive(a screw or bolt) into a countersink.
螺栓上的扳手。
The fixed connecting piece consists of a bolt and a screw cap.
固定连接件由螺栓和螺帽组成。
The fixed connecting piece consists of a bolt and a screw cap.
固定连接件由螺栓和螺帽组成。
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