screw thread meaning in English
螺纹；螺丝线。
Examples
- Specification of gauges for general purpose screw threads
普通螺纹量规技术条件 - Screw threads and gaskets for fire hose connections
消防水龙带连接用螺纹和垫片 - Trapezoidal screw threads - part 2 : general plan
梯形螺纹第2部分：直径与螺距系列 - Reinforcing bar conjunction technique with rolling screw thread
滚压直螺纹连接 - Stub metric trapezoidal screw threads ; thread profiles
米制短牙梯形螺纹.螺纹牙形