The purpose of the pipeline pigging is clear in pipe welding of mud, welding slags sundry, for pipeline caliper and normal operation of pipeline to provide security.

管线清管的目的是清除焊接时留在管道内的泥沙、焊渣等杂物，为管线测径和管线正常运行提供保障。

youdao

The study makes the flaws of pipeline insulation clear by field investigation and test analysis.

本项研究通过进行现场调研、测试分析，查清了管线保温存在的问题；

youdao

A throttle valve must be installed along outlet pipeline when the conditions of work are not clear or stable, this can guarantee operation at the design point.

当工作条件不明或不稳定时，出口管路中必须安装节流阀，以保证泵在设计点运行。

youdao

The facts are clear: pipeline infrastructure is the safest, most affordable, most efficient, and the most environmentally friendly means of transporting the resources we need.

FORBES: Pipeline Infrastructure: Rhetoric v. Reality

Plus, the market will have to clear out gunk in the IPO pipeline.

FORBES: Digital Rules

The President, as you know, as we made clear, welcomes the decisions by TransCanada to construct the pipeline from Cushing, Oklahoma to the Gulf of Mexico.

WHITEHOUSE: Press Briefing