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滤膜质量法
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滤膜质量法
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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。
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commandant-escort
commandant of cavalry
commandant of cavalry by grace
commandant of fleet-as-clouds cavalry
command assistant decision
command center of search and rescue
command code
command & communication shelter for civil air defence
command,control and communication system
command,control and communication system for nuclear weapon
command descriptor block
command dispatching system for space mission
command economy
commander-based military organization system
commander-general
commander in charge system
Commander in chief
commander-in-chief
commander-in-chief in ancient China
Commander-in-chief of the capital city and its environs
commander-in-chief of the Chahar Region
commander-in-chief, supervisor-in-chief or eunuch commissioner
Commander of a military organization
Commander Shostakovic
Commander Unequalled in Honor
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