At present, the communication methods used by the dynamic environment monitoring system are ____________ .
When the mains input range is voltage:150-260VAC,frequency:45-60Hz,the following ups Working range ____________ It can work normally in the inverter state of the main circuit.
When the battery is in use, sunlight can directly shine on the battery.
Parameter representation upsPollution to the power grid.
The data center computer room monitoring system mainly monitors power systems, environmental systems, and fire fighting systems.
12V The battery is made of 6 indivual 2V It is composed of battery cells.
Huawei chilled water air conditioners rely on ____________ to adjust the water flow.
The following ____________ are not part of the chilled water air conditioner.
____________ can complete the conversion from DC to AC.
The following parts can check whether the refrigerant contains moisture ____________ .
