drill rod

常見例句

This device is a new kind of drill rod fixture to be used with the rod storage to implement the mechanization of drill rods connection for drill rigs.
該機構是一種新型的接卸鉆桿機構，其與貯桿器配合使用可使鉆機實現(xiàn)機械化接卸鉆桿。
It uses drill rod connector to directly connect the drill rods, so that during the drilling work, it dose not require fixing or dismantling any of the other drilling tools on the Kelly.
采用鉆桿聯(lián)接器直接連接鉆桿，在鉆進工作時不需要在主動鉆桿上再裝卸其它鉆具。
hbjltk.net
The results revealed that the non homogeneous distribution of the carbide caused the "zonal structure" appeared in the joint of drill rod which is hardened and high temperature tempered.
結果表明，碳化物分布不均勻導致調質處理后在鉆桿接頭中產生“帶狀組織”。