... vacuum condensing point 真空冷凝... vacuum control solenoid valve 真空控制电磁阀... vacuum conveyer tube 真空输送管...
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In addition, indoor air system, heat recovery systems, central vacuum system, fire doors Solenoid Valve Control system and indoor fire hose system configurations are rare in China.
此外,室内空气系统,热回收系统,中央真空系统,防火门电磁阀控制系统和室内消防水带的系统配置在中国是罕见的。
Vacuum solenoid valve, is used for vacuum piping system, or vacuum equipment, electromagnetic valve is used to control the vacuum.
是指用于真空负压管道系统,或者真空设备上,用来控制真空的开关的电磁阀。
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