【单选题】The wounded policeman ____though doctors made every effort to save him.
【简答题】We next made our way ( ) the hospital with the help of a policeman.
【单选题】在使用兆欧表测量绝缘电阻时,摇动手柄时应由慢渐快,最后保持( )r/min的转速,直到指针不再移动时,方可读数。
【单选题】They next made their way the hospital with the help of a policeman.
【单选题】使用兆欧表测量时,摇动手柄,应由慢渐快,均匀加速到( ),并注意防止触电。
【单选题】We next made our way ___ the hospital with the help of a policeman.
【单选题】普通螺旋传动,从动件直线移动的方向与( )有关
【单选题】We next made our way ( ) the hospital with the help of a policeman.