drillpipe
- 网络钻杆;钻柱
drillpipe-
While we were repairing the pump , the driller was working drillpipe .
当我们修泵的时候，司钻在活动钻具。
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On the basis of achievement made on TLP diffusion welding techniques for oil drillpipe welding , a medium-frequency TLP diffusion welder for drillpipe welding is developed .
在石油钻杆瞬时液相扩散焊接技术取得成果的基础上，研制了钻杆中频瞬时液相扩散焊机。