English中文EspañolFrançais
drill pipe /ˈdɹɪl ˈkɒlə/ n

中文：钻杆

中文 · 钻杆Español · tubo de perforaciónFrançais · tige de forage
Meaning：Hollow steel rods that are joined together according to the depth of the excavation; their rotation activates the bit.
▶ Start interactive picture-tap lesson

Found in these illustrated scenes（1）

Drilling rig

‹ Browse all scenes