They also proved that, in principle, the overshot wheel, a type of wheel in which an overheadstream of water powers the wheel, should win the efficiency competition.
他们还证明，原则上，打捞轮（一种由高架水流驱动该轮的轮）应该会赢得效率竞争。
2
Part of the overheadstream is withdrawn as distillate, or overhead product.
顶部液体的一部分作为馏出物或者说是塔顶产品采出。
3
One autumn day, angry storm clouds rumbled overhead threatening the forest and gentle stream with its wild winds.