From the structure of the circuit is divided into cross - straight - to pay and pay - cycloconverter .从其电路的结构上分为交 — 直 — 交和交 — 交变频器.Circuit - oriented model of cycloconverter is developed by adding tube - changing mode an...
他把教孩子们热爱读书当做自己的使命。He made it his crusade to teach children to love books.应征入伍者被当做炮灰。The conscripts were treated as cannon fodder.敌人亵渎这所教堂,把它当做马厩.The enemy desecrate the church by using it as a stable....
火药是希腊火的直接衍生物.Gunpowder was the lineal successor of the Greek fire.这类合成物是亚硝基羟胺衍生物.These compounds are nitrosohydroxylamine derivatives.很多环戊烷的衍生物在这个范围也出现吸收.Many cyclopentane derivatives also absorb in this region....
Stable hemihydrate agglomerates with good filtering properties were obtained.获得具有优良过滤性能的稳定的半水物晶团.Hemihydrate can be used instead of gypsum.半水物硫酸钙可以用来代替石膏.An organic wetting agent or foam suppressant is quite helpful in t...