...peed even during changes in load恒定速度的电子速度控制，即使在负载变化 Low heat temperature stability低热量的温度稳定性 Long life brushless motor长寿命无刷电机 ..
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The calculations indicates that the new combined operation and defrosting model can improve economics of heat pumps and stability and comfort of heat pumps' heating in low temperature surroundings.
计算分析表明：采用组合运行除霜模式可以提高热泵运行的经济性、低温环境下热泵机组供热的稳定性和供热舒适度。
The low-heat conduction main shaft can keep the stability of the temperature of the rotor and lead the detection process to meet the condition of isothermal test better.
利用本发明所涉及的低热传导主轴，可保持转子温度的稳定，使检测过程 更符合等温试验的条件。
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