Since 1979 China has collected 24.7 billion yuan in pollutant discharge fees.1979年以来,全国共征收排污费247亿元.Knowledge of any given exposure to air pollutant mixtures is largely inadequate.关于任何特定的暴露于空气污染混合物中的知识,都是极为欠缺的.We will dis...
介绍浮选机矿浆液位控制系统及其工业试验过程.Expounds liquid level control system of flotation machine and its industrial test.与XHF浮选机联合使用可形成水平布置的浮选系统.When combined with XHF , it may consist a horizontal flotation system.这一新工艺是在具有边磨边浮功能的塔式磨矿浮选...
The specified number exceeds the approver's count at this step.在此步指定的人数超出批准者人数.The certification is invalid without the signature of appraiser , checker and approver.鉴定书无主检、审核、批准签字无效.Of no effect without main check....
A thin, icy mist was ghosting up from the turf.一片薄薄的冷雾鬼影般地从草地升起.He is ghosting for a movie star.他在替一位电影明星捉刀.I am ghosting for a millionaire.我正为一富豪代笔....