求翻译：加湿泵使用变频器控制。加湿可根据湿度变送器检测信号自动闭环控制，也可手动控制，设定加湿泵工作在固定的转速上。是什么意思？

Humidification pumps use inverter control. Humidification and humidity transmitter can detect signals automatic closed-loop control can also be manually controlled, set the humidity at a fixed speed pump working on.

Use the humidifier pumps transducer control. The humidifier can detect signals under humidity transmitters automatic closed-loop control, may also be manually controlled, set the humidifier pumps working at a fixed speed.

Adds the wet pump use frequency changer to control.Adds wet may act according to the humidity transmitting instrument examination signal automatic closed-loop control, also may the hand control, the hypothesis add the wet pump work in the fixed rotational speed.

Moisturizing pump using frequency converter to control. Humidification can be detected under humidity transmitter signal automatic closed-loop control, you can also manually control, setting humidity on the pump working at a fixed speed.

Moisturizing pump using frequency converter to control. Humidification can be detected under humidity transmitter signal automatic closed-loop control, you can also manually control, setting humidity on the pump working at a fixed speed.