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...
I wouldn't take ten thousand guineas for that bird.就是给 我 一万个金币,我也不会卖那只鸟.I gained him his whole money, and had a handful of guineas in my lap.我把他所有的本钱全赢回来了, 我膝上还有满把的金币.How the guineas shone as they came pouring out o...
When speaking to the seminar Mr Franklin spoke of his experience, gained on a recent visit to Trinidad.在研讨会上发言的时候，富兰克林先生谈到了他最近游览特立尼达的经历。In the island of Trinidad the oil is in the form of asphalt.在特立尼达岛,石油以沥青的形式出现.Boarde...
The objective is to study the relativity between analgesia methods and operation complication.目的在于研究镇痛方法与术后并发症的相关性。RESULTS Remifentanil used in obstetric anesthesia and analgesia is safe and effective.结果瑞芬太尼能安全有效的用于产科麻醉与...