Thus, noncontinuous emission limitations were appropriate only when continuous controls were infeasible.因此, 非持续性排放限制只有在持续性控制技术变得不可行时才是适当的.Since these settlements have disadvantages, the feedback reactive power compensato...
Some sparks from a passing train set the haystack on fire.一列过往火车迸发出的一些火花点着了干草堆.Looking for them now is like fishing for a needle in a haystack!这回要在庄稼地里搜捕,那不是海底捞针!To look for a needle in a haystack.草垛里找针(大海捞针)....