【单选题】一个具有2对极的异步电机,其同步转速为( )r/min
【单选题】一个具有 2对极的异步电机,其同步转速为 ( )
【简答题】The president promised to keep all the board members ________ of how the negotiations were going on. A) informed B) inform C) be informed D) informing
【简答题】The typical problems that exist in the board of Japanese Company include all the following EXCEPT( )