• 清洗管道工人已经工作了整个周末

    He said the workers had been purging gas lines all weekend.

    youdao

  • 必须污水出去然后再清洗管道

    First you must drain the dirty water out and then clean the pipe.

    youdao

  • 管道自带清洗系统保持管道干净

    It also has a cleaning and flushing system to keep the pipe clean.

    youdao

  • 气压脉冲给水管道清洗一种既方便效果又好的方法

    The barometric pulse pressure method is a handy and effectual way for water pipe cleaning .

    youdao

  • 清洗水泵管道

    Clean the pump and pipe.

    youdao

  • 管道设备清洗P系列

    Pipeline equipment washes the P series;

    youdao

  • 管道设备清洗P系列

    Pipeline equipment washes the P series;

    youdao

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