screw ring meaning in Chinese
环首螺钉
Examples
- Steel gauges . screw ring gauges . diameter to 300 mm
钢制量规.螺纹环规.直径小于300mm的环规 - Screw ring for oil containers
贮油容器用螺旋环 - Screw ring gauge
螺纹环规 - Ductile iron pipes and fittings - screwed socket joints - assembly , sockets , screw rings , sealing rings and slip rings
延性铸铁管道和配件.螺纹套管接头.组件套管螺丝 - Go screw ring gauges for iso metric screw threads over 50 mm to 200 mm nominal diameter for use in precision engineering
精密技术用标称直径50至200mm的iso米制螺纹过端螺纹