... 露点测湿法 dew-point hygrometry 露点差 dew-point spread 露点公式 dew-point formula ...
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dew point spread 露点差
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Spread white cloth at the gate and starting point before dew axing, in order to avoid the wax cleaning agent to damage other areas and cause repeat work.
打腊前将白布铺在大门及清洁起始点，以防洗蜡剂给周边区域带来损伤而造成重复劳动。
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