One end of the gas supply pipeline is connected with the gas supply system;
送气管线的一头与供气系统连接；
The cast iron pipe is used for water supply, drainage and gas transmission pipeline.
铸铁管用于给水、排水和煤气输送管线，它包括铸铁直管和管件。
The management of material supply is the important base and quality guarantee of pipeline construction.
物资供应管理是管道建设的重要基础和质量保证。
Design experience of water supply and drainage pipeline project is introduced in the paper.
本文介绍了石油化工企业给水排水管道工程的设计经验。
Design experience of water supply and drainage pipeline project is introduced in the paper.
本文介绍了石油化工企业给水排水管道工程的设计经验。
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