一旦相对湿度百分比降至限度以下，立即通知QC和工程部进行处理。
If % relative humidity falls beyond the limits, immediately inform QC and engineering for disposition.
相对湿度RH是指一定容积内空气的湿度饱和百分比。
Relative humidity RH refers to the humidity saturation percentage of the air in certain volume.
给定温度空气中湿度与其平常最大湿度的比率；用百分比表示。
This represents the ratio of relative humidity of the air over a test solution compared with that of distilled water.
给定温度空气中湿度与其平常最大湿度的比率；用百分比表示。
This represents the ratio of relative humidity of the air over a test solution compared with that of distilled water.
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