Centrifugal Pump Performance
electrical submersible pump performance
heat pump system performance
latent heat performance
surface exchanging heat coefficient
Surface heat coefficient
trophic heat coefficient
absorption type heat pump
absorption-type heat pump
absorptive-type heat pump
air source heat pump system
Air Source Heat Pump Unit
风冷热泵机组
空气源热泵机组
空气源热泵热水机组
空气源热泵系统
Air Source Heat Pump Water Heater