The function of the air system is to rationally organize the flow of indoor air, so that the temperature, humidity and cleanliness of the air in the indoor working area can better meet the process requirements and the comfort requirements of the human body.
The abbreviation for valve-regulated lead-acid battery is VRLA.
TN-S The three-phase unbalanced current in the low-voltage power distribution system makes the protection line PS Generate voltage to ground.
Water cooling/The refrigerant of ethylene glycol air conditioner has been flushed before leaving the factory, so it is convenient and quick to install on site.
In the battery structure, the ____________ component functions to remove excess gas.
In Huawei's dynamic environment monitoring system, it is at the data collection layer and can integrate the underlying components ____________ . The equipment through which information is transmitted to the monitoring software is ____________ .
There are three different classifications of grounding forms in low-voltage power distribution systems ____________, where the first capital letter represents ____________ .
High sensible heat ratio is the only difference between precision air conditioners and civil air conditioners.
Environmentally friendly refrigerant R410A Refrigeration performance is better than non-refrigerant R22 better.
In the dynamic environment monitoring system, the user queries the alarm information of the refrigeration equipment through the ____________ function.
