The photo shows that an evaporator coil has been added atop an existing heating furnace. Using the existing blower and duct work and simply adding an evaporator coil atop the unit is a common way to add air conditioning to an existing furnace and duct system, and such air conditioning retrofi...
B. 液压泵(EDP 1 或 EDP 2) Hydraulic pump C. 燃油控制组件Fuel control Unit D. 以上全部All of above 查看完整题目与答案 :双组件发动机由风扇转子(N1)和压缩机转子(N2)组成。True or False:The engine has a dual rotor consisting of a fan rotor (N 1) and a compressor rotor (N2). A...