1) drilling rod disassembling
钻杆拧缷
2) drill stem mounting & dismounting
钻杆拧卸
3) screwing and drlling
拧卸钻孔
4) bit puller
钻头拧卸器
5) Unload
[英][,ʌn'ləʊd] [美]['ʌn'lod]
缷料
6) drill pipe
钻杆
1.
FEM analysis and design of the magnetizer on external thread testing of drill pipe;
钻杆外螺纹检测中磁化器的有限元分析与设计
2.
The utilization of ultrasonic flaw detection in detecting drill pipe crassitude intermediate belt;
超声波探伤在钻杆加厚过渡带检测中的应用
3.
Research on the modeling of simulation of the drill pipe of URRS'turning and bending system and simulation of the resistance;
径向水平井钻杆弯曲转向建模与阻力仿真研究
补充资料：胳膊拧不过大腿
比喻弱小的敌不过强大的。也说胳膊扭不过大腿。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条