兑水 发表于 2009-11-10 16:09:48

ASTM E 1995-2004 试件水平方向放置，使用单个封闭试验舱锥...

E1995-04a Standard Test Method for Measurement of Smoke Obscuration Using a Conical Radiant Source in a Single Closed Chamber, With the Test Specimen Oriented Horizontally
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