It is an effective way to increase transmission capacity of pipelines by adding drag reduction agent in oil of pipeline.

在管输油品中加入减阻剂是提高管线输送能力的有效方法。

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It is an effective way to increase transmission capacity of pipelines by adding drag reduction agent in oil of pipeline.

在管输油品中加入减阻剂是提高管线输送能力的有效方法。

youdao