使用结果表明，该装置具有很高的除砂率，防砂效果优于单纯地改进管道及附件材料的方法。
The erosion resistance by the use of the new method is much better than that of the conventional method for improving pipeline and accessories materials.
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%…
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