“滤膜质量法”的概念、定义、翻译、参考文献-科学参考

单词	滤膜质量法
释义	滤膜质量法 Encyclopedia 工学滤膜质量法释 filter mass method滤膜质量法采集一定体积的含尘样品，将粉尘阻留在已知质量的聚氯乙烯纤维滤膜上，根据采样后滤膜的增量及采样体积，求出单位体积空气中粉尘质量的方法。
随便看	directional well tool direction angle direction bias direction bias sampling method direction coefficient direction cone direction constancy direction correction of Gauss projection direction cosine direction cosine algorithm direction curve direction density Direction des Archives de France Direction des constructions Aeronautiquue direction-determining board direction field direction finder direction finding receiver direction focusing directionless directionlet transform direction logarithm direction of arrival estimation Direction of Chinese Opera direction of drama

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