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- 低Cr油套管用钢low Cr casing and tubing steel
- 常用in common usage
- 油套管钢CO_2腐蚀电化学行为与腐蚀产物膜特性研究_Research on Electrochemical Behavior and Corrosion Scale Characteristics of CO_2 Corrosion for Tubing and Casing Steel_
- 一种低Cr高W型铸造镍基高温合金的显微组织及其稳定性Microstructure and stability of a cast Ni-base superalloy containing low level of Cr and high level of W
- 不用need not
- 油套管钢casing steel
- 鼻套管用持头nose adapter
- 影响圆螺纹油套管粘扣因素试验研究Factors Affecting the Galling of Tubing and Casing with Round Threads: An Experimental Study
- 插套管用拔出器extratot for intubation canula
- 插管套管用拔出器extractor for intubation cannula
- 关于圆螺纹油套管API最佳上扣扭矩合理性的探讨Discussion on Rationality of Optimum Makeup Torque of API Round Thread Tubing and Casting
- 插管套管用导引器introducer for intubation cannula
- 油套管Tubing and casing
- 转炉试制超低硫低磷钻杆用钢的研究Research on Ultra-low Sulfur and Phosphorus Steel for Drill Pipes Trial-produced with a Converter
- 抗挤毁油井套管用钢管裂纹分析ANALYSIS ON SURFACE CRACKLES OF RESIST COLLAPSING OIL WELL CASING
- 充油套管oil filled bushing
- 油套管防腐downhole casing corrosion prevention
- 这些房屋是用钢和混凝土建成的。These buildings are made of concrete and steel.
- 非调质油套管Non-quenched and tempered tubing and casing
- 凿用钢chisel steel
