English translation for "drill pipe bore"

钻杆内孔

Similar Words：

"drill peck" English translation, "drill peripheral speed" English translation, "drill pipe" English translation, "drill pipe i er" English translation, "drill pipe annulus" English translation, "drill pipe box and pin" English translation, "drill pipe clamp" English translation, "drill pipe counter" English translation, "drill pipe coupling" English translation, "drill pipe cutter" English translation