常見(jiàn)例句雙語(yǔ)例句Bacterial pollution before and after sterilization was compared.同時(shí)對(duì)消毒前後的細(xì)菌汙染情況進(jìn)行對(duì)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(shū)館室內(nèi)空氣中細(xì)菌汙染狀況，竝分析造成汙染的可能因素。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佈的存放時(shí)間、環(huán)境與細(xì)菌汙染之間的關(guān)系。 返回 bacterial pollution