短語(yǔ)詞組短語(yǔ)Air bacteria contamination 空氣細(xì)菌汙染air conditioning contamination 空調(diào)汙染air microbe contamination 空氣微生物汙染air stream contamination 氣流汙染air r contamination meter 空氣汙染測(cè)量?jī)xair r contamination monitor 空氣汙染監(jiān)測(cè)器air microorganism contamination 空氣微生物汙染air bacteria contamination investigation 空氣細(xì)菌汙染調(diào)查air r contamination indicator 空氣汙染指示器 返回 air contamination