oil well tube meaning in Chinese

下机架挡油管

In the light of the status that there are caustic faults in the oil well tubing and there are not effective inspections , in this paper the plane roundness fault model of the is studied , and the magnetic leakage flux distributing model at the direction of the normal of the roundness fault is proposed
针对油管容易遭到腐蚀性损伤而目前缺乏有效检测手段的现状，本文系统的研究了平面圆形缺陷模型，提出了圆形缺陷的法线分量漏磁场的实验分布模型。
Abstract : addressing the problems encountered in localizing oil well tubing production , the co ? authors analyze the influences by aspects , namely , product quality , product r d , operation , technical level of equipment and competition in this specific industrial circles , emphasize the necessity of speeding up localization of oil well tubing production , and find out the elements hindering current development of the said localization
文摘:针对油井管国产化遇到的问题，分析论述了产品质量、品种开发、使用操作、装备技术及行业竞争的影响，指出了加强油井管国产化的必要性以及阻碍当前发展的原因。