实验结果支持配位理论与吸附机理，证实恰当选用除霜剂D5与封孔稳定剂YG5可实现快速无粉霜优质热封闭。
The results of experiments support complexation reaction and adsorption theory. They show that rapid sealing process without smut is obtained by using D 5 and YG 5.
显热除霜是针对四通阀换向除霜方式的缺陷而提出的一种新型的除霜方式，它是利用压缩机排出的高温制冷剂的显热对蒸发器进行除霜。
Sensible heat defrost is a new defrosting method which avoids disadvantages of four-way valve reverse defrost and USES the sensible heat of hot refrigerant vapor from compressor to defrost.
再有，可将除霜加热器的表面温度抑制在可燃性制冷剂的发火温度以下。
Again, defrost heater can be inhibited in the surface temperature of a flammable refrigerant temperature below the ignition.
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