pipe thread meaning in English

管端螺纹
管螺模
管螺纹

That pipe thread is bad . use another one instead
那个钻杆的丝扣坏了，换另外一根。
Needle valves have nps / internal pipe threaded ends
针形阀配置nps内管螺纹连接端口。
Screwing taps - specification for pipe thread taps
丝锥.管螺纹丝锥规范
Cold - forming taps for pipe threads g 1 6 to g1 - dimensions
管螺纹g1 6至g1用冷成形丝锥.尺寸
Screw thread limit gauges for parallel pipe threads
圆柱管螺纹量规

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