速度能变换的;
变速;
例句:
Variable speed is almost essential if drilling is to be accurate.
如果钻孔要精确,则可变速度是必不可少的.
The article introduces an algorithm of the tooth number of differential gear variable-speed for automobiles.
简介一种车辆用差动齿轮式无级变速机的齿数计算方法.
The performance of AC variable speed drive system has been improved greatlyfield-oriented control is applied.
矢量控制使交流调速系统的性能产生了质的飞跃.