1·Crack resistant valve can prevent the oil pipe rupture resulting in table control falling accident.
防裂阀可防止油管破裂导致工作台失控下降的事故。
2·On the principle of phosphate coating formation, the paper introduces the inspection method and the process procedure of oil pipe coupling in the phosphate solution.
根据磷化膜的形成原理，介绍了油管接箍在磷酸盐溶液中的工艺处理过程和检验方法。
3·This paper describes the structure and basic operating principle about the squeezed ma - chine of core of the long cylinder of main oil pipe of Cat, 121 diesel engine's body.
本文介绍了卡特匹勒121型柴油机机体主油管长圆柱坭芯挤压机的结构和基本工作原理。
4·For Zhongyuan oil field belonging to the complex part oil field, the large loss was suffered every year for disabled oil pipe.
中原油田属极复杂断块油田，每年因油管失效造成极大的经济损失。
5·Application: It's used to anchor oil pipe and used for high pressure injection, fracturing and other construction.
用途：液压水力锚适用于锚定油管，用于高压分注、分层压裂等措施施工。