【单选题】I know how busy you must be and I wouldn't want to __________ too much of your time.
【判断题】曲轴的弯曲变形通常用曲轴中间主轴颈的径向圆跳动来衡量。
【单选题】被称作为“空调之父”的是美国人( )博士。
【判断题】电路通常有通路、开路、短路三种状态。( )
【单选题】I know how busy you must be and naturally I wouldn’t want to too much of your time.
【单选题】一组三角带传动共有 3 根带,工作一段时间以后发现其中一根带出现裂痕,下列哪个选项是正确的?
【单选题】I know how busy you must be and I wouldn't want to __________ too much of your time.