介绍大港油田集团勘察设计研究院研制的原油集输系统除砂洗砂一体化装置，经试验除砂率达到90％以上。
The integrated assembly with sand removal and washing in crude oil gathering system designed by the Exploitation and Design Institute of Dagang Oilfield Group is up to the sand removal rate of 90%…
根据抚顺石油化工研究院的建议，优化了OCT - M装置的催化剂装填方案和操作工艺条件。
According to suggests by FRIPP, catalysts loading and operating process conditions of OCT-M unit were optimum.
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