• 铸铁用于给水排水煤气输送管线,它包括铸铁直管管件。

    The cast iron pipe is used for water supply, drainage and gas transmission pipeline.

    www.hlbxggy.com

  • 本文介绍了石油化工企业给水排水管道工程设计经验

    Design experience of water supply and drainage pipeline project is introduced in the paper.

    dict.cnki.net

  • 给水装置管线、头、箱排水管道定期检查维修

    Check and controlling using and maintenance of equipment according to plan of equipment maintenance.

    www.dictall.com

  • 给水装置的管线、头、排水管道定期检查维修

    Periodical inspection and maintenance of water supply system, supplying pipe, tape and tank, drain pipe.

    www.dictall.com

  • 给水装置的管线、头、排水管道定期检查维修

    Periodical inspection and maintenance of water supply system, supplying pipe, tape and tank, drain pipe.

    www.dictall.com

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