COW washing technology is adopting through temporary laid circulatory system and adopting identical clean oil, circulating to wash, to dissolve, reach the purpose of clearing tank.
COW清洗工艺是通过临时敷设的循环系统，采用与待清洗油罐中油品相同的清洁油，循环冲洗、溶解，达到清罐的目的。
The return sewage of oil refining using in system of circulating cooling water as supplying water was studied.
对炼油污水作为循环冷却水的补充水回用于循环冷却水系统进行了研究。
Because of the quick change and unexpected stop of the circulating direction of oil liquid, the machine tool hydraulic system will produce pressure impact.
机床液压系统由于油液流动方向迅速改变或突然停止流动，产生压力冲击。
This paper describes the structural features of circulating fuel oil system for a Marine diesel engine and analysis the waveform characters of the pressure in the fuel oil system.
介绍了一种船舶柴油机用循环式燃油系统的结构特点，详细分析了这种燃油系统的燃油压力波形特征。
These system include filtering system for crude oil entering, filtering and cooling system for hot oil, filtering and cooling water circulating system for reduction gearbox of the drilling motor.
该系统包括原油入口的过滤装置，热油过滤冷却装置和钻井马达变速箱过滤冷却循环装置等三大部分。
These system include filtering system for crude oil entering, filtering and cooling system for hot oil, filtering and cooling water circulating system for reduction gearbox of the drilling motor.
该系统包括原油入口的过滤装置，热油过滤冷却装置和钻井马达变速箱过滤冷却循环装置等三大部分。
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