Question 46
When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be warmed up for more than ( ) hours.
Question 47
The more PUE value of a data center is close to 1, the better energy usage efficiency is.
Question 48
The reason for using the EPO status interface in the parallel step of the UPS5000-E is ().
Question 49
In general, the air supply distance of the air duct is shorter than that of the hood air supply.
Question 50
In ECO mode, the UPS works in ( ) when the input is stable.