Roots type rotor is of crucial importance to roots blower, compressor, flowmeter and vacuum pump. 罗茨转子是罗茨鼓风机、罗茨压缩机、罗茨流量计和罗茨真空泵等设备中最关键的核心部件。
Because of the low pressure in the generator, a roots vacuum pump is used as a compressor between the generator and condenser. 由于发生压力较低,在发生器和冷凝器之间带有罗茨真空泵作为增压机。