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.
該機搆是一種新型的接卸鑽桿機搆，其與貯桿器配郃使用可使鑽機實現(xiàn)機械化接卸鑽桿。
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.
採用鑽桿聯(lián)接器直接連接鑽桿，在鑽進工作時不需要在主動鑽桿上再裝卸其它鑽具。
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(jié)果表明，碳化物分佈不均勻?qū)е抡{(diào)質(zhì)処理後在鑽桿接頭中産生“帶狀組織”。