常見例句雙語例句Bacterial pollution before and after sterilization was compared.同時對消毒前后的細(xì)菌污染情況進(jìn)行對照。Objective To study the bacterial pollution of indoor air in a university library, and analysed the factors that might cause pollution.目的了解大學(xué)圖書館室內(nèi)空氣中細(xì)菌污染狀況，并分析造成污染的可能因素。OBJECTIVE To analyse the relationship of storage time of the gauze with the environmental and bacterial pollution after high pressure sterilization.目的研究高壓滅菌凡士林紗布的存放時間、環(huán)境與細(xì)菌污染之間的關(guān)系。 返回 bacterial pollution