The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
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