阳螺纹

阳螺纹

1

阳螺纹-阳螺纹管子油管螺纹可采用API油管螺纹，或TM螺纹。

Pin-to-box pipe Tubing thread is available for API tubing threads and TM threads .
2

两头阳螺纹的抽油杆去掉（螺丝钉的）螺纹。

Double pin sucker rod remove the thread ( of screws ) .
3

两头阳螺纹的抽油杆井下双螺杆多相混抽泵的设计与研究

Double pin sucker rod Design and Study on Down-hole Twin-screw Multiphase Pump
4

阳螺纹-阳螺纹管子当两个波纹膜片在边缘处粘结时，就构成一膜盒。

Pin-to-box pipe When two corrugated diaphragms are joined at the outer edges , the unit is referred to as a capsule .