此时须先设法排出干燥机充盈的高湿度空气，并代之以来自干燥机所在车间或其他来源的干燥空气。
Wet air must be exhausted from the drier and replaced by dry air from the room or some other source.
高湿度意味着空气中水蒸汽含量高——蒸汽浓缩会成为可以看得见的“雾”，就像我们在潮湿的夏天在汽车和建筑物的空调口所见到的那样。
High humidity means high levels of water vapor in the air - the vapor that condenses and becomes visible as "fog" on Windows of air-conditioned cars and buildings on steamy summer days.
缺点：对于大面积制冷效果不是很好，没有除湿功能，温度高的地方不好用，使用时还增加空气中的湿度。
Faults: with large area refrigeration effect is not very good, no dehumidification function, high temperature of the place with bad, when using, also increase the humidity in the air.
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