Gas-oil valves are used widely in gas transmission pipelines with stable operating, easily to control and power-free.
气液联动球阀广泛应用于长输天然气管道,具有传动稳定、容易控制、不需要电源等优点。
Gas-oil valves are used widely in gas transmission pipelines with stable operating, easily to control and power-free.
气液联动球阀广泛应用于长输天然气管道,具有传动稳定、容易控制、不需要电源等优点。
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