Repair and replace parts and components for entire refrigeration, airconditioning, ventilation or heat pump systems.
为整个制冷，空调，通风或热泵系统维修和更换零部件。
2
Based on the motion function and characteristic in different modes of water system of air-conditioning, the differential of circulating water volume pump and elevation of pump were analyzed.
根据空调水系统在不同工况下运行的性能与特点，分析冬夏及部分负荷运行时，空调水系统的流量和扬程差异。
3
Similarly, water pumps, power steering pump, airconditioning compressor bearings should be regularly checked.