prerention

基本解释

Accidents in Oil Plants and the Methods to Prerent
浅析浸出油厂事故隐患及其防范措施
Prospect and prerent situation of application of narrow-gap welding
窄间隙焊接的应用现状和前景
Practice of Three-leval prerention in Medical and Health Work for the Elderly
在老年医疗保健中实施三级预防的探讨
Freezing Problems and Prerention Measures of Direct Air Cooling Generating Unit during Start- up and Shutdown in Winter
直接空冷机组冬季启停冻结问题及防范措施
Keywords waste household appliances;enviro nmental pollution;recycling and pollution prerention;
关键词废旧家电;污染环境;回收利用;污染防范;