最大程度上避免了误除霜、除霜时间过长、除霜过频、不除霜等问题的出现。
Maximum error, avoid the defrosting defrosting time is too long, defrost a frequency, not defrosting the problems such as appear.
有关文献提出的最佳除霜时间控制及最大平均供热量控制除霜等方法，从理论上讲很有新意，但实现起来比较困难。
The literature the best defrost time control and the largest average defrost control for heat and so on, theoretically innovative, but more difficult to achieve.
有关文献提出的最佳除霜时间控制及最大平均供热量控制除霜等方法，从理论上讲很有新意，但实现起来比较困难。
The literature defrost the best time for control and maximum average heat defrosting control and so on, theoretically innovative, but more difficult to achieve.
不除霜的最长工作时间约24小时。
The Max. Operation time without defrosting is approx. 24 HRS.
本文针对风冷热泵冷热水机组的逆循环除霜进行了实验研究，得到了除霜时系统参数随时间的变化规律。
This paper presents an experimental investigation of refrigeration system dynamics during the reverse-cycle defrost of an air-source heat pump chiller.
节约因除霜而浪费的能源和除霜停产 的生产时间，降低了生产的总成本。
Therefore, energy sources which are wasted due to frost removal and the production time of the stopped production due to the frost removal are saved and the total cost of production is reduced.
节约因除霜而浪费的能源和除霜停产 的生产时间，降低了生产的总成本。
Therefore, energy sources which are wasted due to frost removal and the production time of the stopped production due to the frost removal are saved and the total cost of production is reduced.
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