HFD类型冷剂包括R23、R32、R41、R125、R134、R143、R152。
HFD类型冷剂包括R23、R32、R41、R125、R134、R143、R152。
相关考题:
Refer to the graphic. A static route to the 10.5.6.0/24 network is to be configured on the HFD router. Which commands will accomplish this? () A.HFD(config)#iproute10.5.6.00.0.0.255fa0/0B.HFD(config)#iproute10.5.6.00.0.0.25510.5.4.6C.HFD(config)#iproute10.5.6.0255.255.255.0fa0/0D.HFD(config)#iproute10.5.6.0255.255.255.010.5.4.6E.HFD(config)#iproute10.5.4.60.0.0.25510.5.6.0F.HFD(config)#iproute10.5.4.6255.255.255.010.5.6.0
下列哪些写法与制冷剂标识符号HFC-32/HFC-125/HFC-134a(23/25/52)相当?( )A.R407CB.R407BC.R32/R125/R134a(23/25/52)D.R410A
判断题无氟空调器的制冷剂R407C由R23、R25、R125三部分组成。A对B错