| 释义 |
machine screws
释义
机械螺丝
例句
1·Name two head styles of machine screws that are countersunk.
沉头机螺钉有哪两种头型？
2·Supplemented by Punch, machine screws , springs machines, machinery, and other hardware.
辅以冲床、螺丝机、弹簧机等五金机械。
3·Machine screws or nuts and bolts used to attach balance weights are specifically prohibited.
特别禁止采用机械螺丝，螺母和螺栓来固定平衡重装置。
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