【判断题】在有几根V带的传动中,如有一根带损坏了,更换带时应同时全部进行更换。
【单选题】When I was your age, I dared not go out alone at night, ________ you?
【简答题】4I didn’t go out ___ the weather got fine.
【单选题】—Did you dare to go out at night when you were a little child? — No, I didn’t. I don’t have the ______ to go out alone at night even now.
【单选题】测一零件对称度,已知被测实际轴线各点距基准轴线的最大距离为16μm,最小距离为+8μm,则其对称度为()。
【判断题】在有几根V带(三角带)的传动中,如有一根带损坏了,更换带时应同时全部进行更换。
【判断题】在有几根 V 带(三角带)的传动中,如有一根带损坏了,更换带时应同时全部进行更换。
【单选题】钢尺丈量直线AB的水平距离,往测为67.240m,返测为67.245m;丈量直线CD的水平距离,往测为48.730m,返测为48.718m。则DAB、DCD应为( )。
【单选题】--- Did you dare to go out at night when you were a child? --- No, I didn't. I don't have the _______ to go out at night even now.
【单选题】When I was you age, I dared to go out alone at night, ________ you?