nickel based OCTG 镍基合金油套管
Non-API OCTG 非API油井管
OCTG Engineering 油井管工程
Hi-performance OCTG 高性能油井管
OCTG Threading Machine 管螺纹加工机床
N80 OCTG-purpose steel N80油井管钢
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OCTG, which including tubing, casing, line pipe, etc.
石油专用管,包括油管、套管、管线管等。
The on-site operation standard is an important content of "OCTG Engineering".
现场作业标准是“油井管工程”的重要内容。
The facility will continue to support the structural tubing market in addition to the new OCTG product line.
该设施将继续支持除了新油井管生产线的结构管市场。
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