最終更新日：2024/08/06

A column of drill pipe on a drilling rig, which transmits drilling fluid and torque to the drill bit.

正解を見る

drill string

問題を編集する

元となった辞書の項目

drill string

noun

A column of drill pipe on a drilling rig, which transmits drilling fluid and torque to the drill bit.

The drill string is used to extract oil and gas from the ground.

意味（1）

A column of drill pipe on a drilling rig, which transmits drilling fluid and torque to the drill bit.