提出一种新颖的双降压式交流斩波器.A novel bi - directional dual Buck AC chopper is presented in this paper.因此, 内反馈斩波调速装置是风机水泵调速节能的首选设备.Finally, the internal feedback chopper regulator is the preferred equipment of fan and water pump regu...
He had coarsened his voice to an approximation of Cockney.他让自己的口音变得粗俗起来，接近伦敦东区的发音。The Cockney accent was put on for effect.这伦敦腔是为了给人以深刻印象而故意装出来的。Pomeroy was a cockney barrow-boy at heart.波默罗伊本质上就是个伦敦街头小贩。...
我从餐具柜里取出一瓶自己收藏的最好的麦芽威士忌。I got a bottle of my best malt out of the sideboard.他又为自己倒了满满一大杯麦芽威士忌。He poured himself another generous measure of malt.他喜欢麦芽酒的苦味.He liked the bitter taste of the ale....