[机械工程] transmission; drive; driving motion; transfer motion; transmission of motion; transmitting motion; transmitting; gear 短语和例子 变速传动 change drive; 齿轮传动 gear drive; gear transmission; 液压传动 hydraulic drive; 引擎发生的动力通过某些主要的部件传动轮子。 the power developed by the engine is transmitted to the wheels by some essential parts