【单选题】In the sentence "Not every winter is critical for deer course", the word "critical "means
【判断题】在产品开发调色时,应是进行拼色处理后,再调pH值。
【单选题】In the sentence "Not every winter is critical for deer of course", the word" means_______
【判断题】在产品开发调色时,应是调完pH值后,再进行拼色处理。
【单选题】In the sentence "Not every winter is critical for deer of course", the word "critical" means .
【简答题】一台他励直流电动机,额定数据为:U e =220V,I e =80A,R a =0.1Ω,n e =1000r/min,附加损耗p ad 为额定功率的1%,η e =85%,忽略电枢反应。试求:
【简答题】一台他励直流电动机,额定数据为:P e =10kW,U e =220V,I e =54.8A,R a =0.342Ω,n e =1000r/min,系统总飞轮矩GD 2 =9.8N·m 2 。电动机原工作在电动额定状态。采用电源反接,反接制动的起始转矩T max =2T e 。