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...
在孤注一掷地闪电战中他猛冲过外国领地.He careened through foreign territories on a desperate kind of blitz.虽然他的行动在当时看来就像一场闪电战, 但他后来却后悔自己没能更快.And though he acted with what seemed at the time like blitzkrieg aggressiveness , he regretted in ...
Geothermic thermoelectric generating station. Planned or in service can be specified.地热热力发电站. 可指定为规划的或已投入使用的.Geothermic greenhouse is one kind of greenhouse using the terrestrial heat as its heating source.地热温室是采用地热为热源供热...
I happened to bump into Mervyn Johns in the hallway.我在走廊里意外碰见了默文·约翰斯。The leads are Jack Hawkins and Glynis Johns.杰克·霍金斯和格莉妮斯·约翰斯主演。a pair of long johns一条长衬裤...
They eat much the same thing for brunch every day.每天早午餐他们总是吃同样的东西.We had a Sunday brunch of bagels.我们星期日的早午餐吃了硬面包圈.No , I didn't. But I had a big brunch.没吃. 但我吃了顿早午饭....