清管器是什么意思_清管器用英语怎么说_清管器的翻译_清管器翻译成_清管器的中文意思_清管器怎么读,清管器的读音,清管器的用法,清管器的例句

From time to time a scraper is passed through the pipeline to remove this corrosion.

不时用清管器在油管内穿过,以清除这种锈蚀.

辞典例句

For connection between receiver & launcher and pipe refer to pigging process flow diagram.

否则易卡住清管器,收 发球 筒与管线连接形式见清管工艺流程图.

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