... rotary drilling 旋转钻探 air drilling 空气钻井；压缩空气钻探；风动钻眼 drilling pipe 钻杆；钻井管材 ...
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钻井用管材 drill goods
钻井管材
Drilling pipe material
以上为机器翻译结果，长、整句建议使用 人工翻译 。
通过讨论海上石油钻井平台用管材空泡腐蚀失效的案例，研究管材空泡腐蚀的宏观特征和微观特征。
The macro and micro characteristics of vacuolar corrosion were studied; a failure case of vacuolar corrosion of petroleum pipe of seashore well-drilling rig was discussed.
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