1. 螺纹：螺钉:screw | 螺纹:screw thread | 准确性:screw
2. 螺纹;螺丝牙：螺栓 bolt | 螺纹;螺丝牙 screw thread | 螺纹切削法 screw thread cutting
3. 丝扣：screw terminal 螺丝接线端 | screw thread 丝扣 | screw-type blank cap 螺纹闷盖
4. 螺丝：Screw-down stop valve 螺旋阀 | Screw-thread 螺丝 | Scribing block 划针盘
1. The human workers trim excess material, thread wires and screw in a handful of fasteners.
noun
1. the raised helical rib going around a screw
Synonym: thread