1)master group translating equipment,主群变频设备2)supermastergroup translating equipment,超主群变换设备3)frequency conversion equipment,变频设备4)group translating equipment,群变换设备5)variable-frequency speed equipment for water supply,变频供水设备6)main transformer bank installation,发变组主设备
英汉例句
Debugging experiences of variable-frequency speed equipment for water supply;
