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.
在缺乏水分时，植物一般用蒸发作为降温的手段。
When lack of water, commonly plants would transpire as a way for cool.
在缺乏水分时，植物一般用蒸发作为降温的手段。
When lack of water, commonly plants would transpire as a way for cool.
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