The trickling filter and activated sludge efficiencies cited required primary sedimentation and effluent circulation.列举的生物滤池与活性淤泥法的效率就需要初次沉淀和回流.Work with other Depts. to improve efficiencies , professionalism and client ...
Many people died in these crashes, and this has puzzled investigators.许多人死于这样的事故, 这问题始终为调查人员迷惑不解.He puzzled his brains to find an answer.他冥思苦想寻求答案。Everyone was a bit puzzled by her sudden departure.每个人都对她的突然离开有点儿困惑不解。I a...
The mere mention of food had triggered off hunger pangs...单单提到食物就引起了阵阵饥饿感。The incident triggered an armed clash.这起事件触发了一场武装冲突。The current recession was triggered by a slump in consumer spending…目前的经济衰退是由消费支出骤跌引起的。An indi...