harmful poisonous substance的意思|示意
有害有毒物质
harmful poisonous substance的网络常见释义
有害毒物 ... harmful poisonous substance 有害毒物 harmful organic substance 有害有机物 harmful chemical substance 有害化学物质 ...
harmful poisonous substance相关短语
1、 Poisonous and harmful substance 有毒和有害物质 ; 有毒有害物质
harmful poisonous substance相关例句
Ammonia is a poisonous and harmful substance that should be recovered during equipment maintenance so as to avoid it leaks out to pollute environment and hurt human.
氨是一种有毒有害物质，在石化装置设备进行检修时需要对氨进行回收，否则容易造成环境污染和人体伤害及人员中毒事故的发生。