Question 51

R410A The moment the refrigerant is sprayed to the outside, it can freeze human skin and deep muscles in a very short time, and cause skin necrosis at the frostbite site.
  • Question 52

    Regarding the description of the data center cooling system, the following ____________ is wrong.

    Question 53

    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.
  • Question 54

    The following ____________ options do not belong to the characteristics of direct air-cooled air-conditioning.

    Question 55

    Huawei Monitoring System NETECO The northbound interface can be accessed ____________ .