本窗口显示的是减压蒸发器的出口压力，其作用主要是维修和调整用。
Gas pressure: this window display exit pressure of reducer its function is maintain and adjustment.
方法：将中药黄芩加水熬制，采用负压抽滤后合并滤液，用减压蒸发的方法将药液浓缩制成水提液。
METHODS:We decoct the Chinese medicine Scutcllaria Baicalensis Georgi by adding water, then drainaging and filtering it under the negative pressure before we collect the filtrate.
介质经缓流减压之后再进入介质流道，可以均匀的分配到传热板之间的各个蒸发流道。
Medium is subject to slow flow pressure reduction and then enters the medium flow passage, and can be evenly distributed to various evaporation flow passages among heat transfer plates.
液态工质经干燥过滤器去除水份、杂质，进入膨胀阀节流减压，成为低温低压液态工质，在蒸发器内气化。
Liquid medium the dry filter to remove water, impurities, into the expansion valves throttling decompression, become a low voltage liquid medium, low temperature within in the evaporator gasification.
高压气态制冷剂在冷凝器中向冷却介质放热被凝结为液态后，经节流装置减压降温进入蒸发器；
High pressure gas refrigerants in the condenser cooling medium heat to be setting for liquid, through the throttle device reduced pressure cooling into the evaporator;
高压气态制冷剂在冷凝器中向冷却介质放热被凝结为液态后，经节流装置减压降温进入蒸发器；
High pressure gas refrigerants in the condenser cooling medium heat to be setting for liquid, through the throttle device reduced pressure cooling into the evaporator;
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