钻杆

zuàngǎn

钻杆 — zuàngǎn

1. drill pipe; drill rod — a steel pipe (often hollow) used in drilling to transmit torque and drilling fluid and to connect the drill bit with surface equipment

   钻杆在钻井作业中用于连接钻头和地面设备。 zuàngǎn zài zuānjǐng zuòyè zhōng yòngyú liánjiē zuàntóu hé dìmiàn shèbèi — The drill pipe is used in drilling operations to connect the drill bit and surface equipment.