screwing die meaning in English
螺丝板牙
外螺纹板牙
Examples
- Rules for the inspection of circular screwing dies for export
出口圆板牙检验规程 - The types and dimensions for circular screwing dies
圆板牙型式和尺寸 - 1 hand - and machine - operated circular screwing dies erratum 1
手工和机器操作的圆型螺纹板牙 - Hand - and machine - operated circular screwing dies
手用和机用圆型板牙 - Technical specifications for cirular screwing dies
圆板牙技术条件