drilling rod

• 钻杆； 带孔棒； 钻头棒料； 钎子

drilling rod的用法和样例：

例句

1. A detailed investigative study is made of a drillpipe rupture that happened during drilling operation.
   对某井在钻井期间发生的钻杆断裂事故进行了详细调查研究。