| 摘要 |
A town gas supply system includes a main high-pressure gas pipeline, a gas distribution station, a device of bypass gas duct, bleeding gas conduits of medium pressure, gas regulating points, cabinet-type regulating points, distribution gas conduits, gas pipelines for inlet to buildings of low pressure, lines for gas supply to consumers, filters, control and valving, control-measuring devices, devices for registration of gas flow rate, safety-shutoff valve, mechanical manometer, pulse pipes. |
