常見例句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)療保健中實施三級預防的探討Freezing Problems and Prerention Measures of Direct Air Cooling Generating Unit during Start- up and Shutdown in Winter 直接空冷機組冬季啟停凍結問題及防范措施Keywords waste household appliances;enviro nmental pollution;recycling and pollution prerention; 關鍵詞廢舊家電;污染環(huán)境;回收利用;污染防范;Mined-out Area of Shaodong Gypsum Mine: Its Ground Stability Evaluation and Geological Disaster's Prerention and Cure Measures 邵東縣石膏礦采空區(qū)地面穩(wěn)定性評價及地質災害防治對策 返回 prerention