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