以下为句子列表：
英文: 1 ENJECT ETHANOL OR ACETONE ABOUT 25mm TO THE DEW-POINT METER CONTAINER, THEN PUT IN DRY ICE TO REFRIGERATE AND KEEP THE CENTIGRADE UP TO OR LOWER THAN -40℃.
中文: 2将试样水平放置，在上面涂一层乙醇或丙酮。使露点仪与该表面紧密接触，停留时间按表4的规定。
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英文: 3 MOVE THE DEW-POINT METER AND IMMEDIATELY CHECK UP THE INSIDE SURFACE OF INSULATING GLASS HAVE NOT ANY DEW OR FROST.
中文: 3移开露点仪，立刻观察玻璃试样的内表面上有无结露或结霜。
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