prerention

基本解釋

Accidents in Oil Plants and the Methods to Prerent
淺析浸出油廠事故隱患及其防范措施
Prospect and prerent situation of application of narrow-gap welding
窄間隙焊接的應(yīng)用現(xiàn)狀和前景
Practice of Three-leval prerention in Medical and Health Work for the Elderly
在老年醫(yī)療保健中實(shí)施三級(jí)預(yù)防的探討
Freezing Problems and Prerention Measures of Direct Air Cooling Generating Unit during Start- up and Shutdown in Winter
直接空冷機(jī)組冬季啟停凍結(jié)問(wèn)題及防范措施
Keywords waste household appliances;enviro nmental pollution;recycling and pollution prerention;
關(guān)鍵詞廢舊家電;污染環(huán)境;回收利用;污染防范;