A thermal expansion valve and an electronic expansion valve was tested in a Air Cooled Screw Heat Pump respectively.
在风冷螺杆热泵机组上对电子膨胀阀与热力膨胀阀进行了机组性能的对比试验。
Chongqing industrial park will production centrifugal units, screw units, air-cooled heat pump units consisting mainly of large central air conditioning.
而重庆工业园将生产离心式机组、螺杆式机组、风冷热泵机组为主的大型中央空调。
Shell and tube heat exchanger, screw compressor, and electronic expansion valves are detailed selectioned and designed, and a sewage-source heat pump system is designed for a building of Harbin.
对壳管式换热器、螺杆压缩机、电子膨胀阀进行详细的选型和设计计算，对哈尔滨市某办公楼设计出一套污水源热泵系统。
Conveyor illiquid, high viscosity of the medium or the transport medium for heating or thermal insulation, choose double screw pump heat pump body structure.
输送流动性差，粘度高的介质或对所输送介质进行加热或保温时，选双层加热泵体结构的螺杆泵。
Conveyor illiquid, high viscosity of the medium or the transport medium for heating or thermal insulation, choose double screw pump heat pump body structure.
输送流动性差，粘度高的介质或对所输送介质进行加热或保温时，选双层加热泵体结构的螺杆泵。
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