以下为句子列表：
英文: A kind of driving mechanism of micro-robot utilizing the traction force produced by the rotation of screws was studied.
中文: 摘要研究一种利用螺旋旋转产生牵引力的微型机器人驱动机构。
更详细...
英文: Technological advances were reflected in the fact that the average traction force of locomotives more than doubled in these two decades.
中文: 技术进步在这二十年中得到体现，火车头的平均拉力提高了一倍多。
更详细...
|
