同义词
1)rotary piston engine,旋缸式发动机2)rotary engine,气缸旋转式发动机3)revolving-block engine,旋转缸体式发动机4)rotating housing rotating piston engine(DKM);rotating housing single rotation machineengine,旋转缸体式单纯旋转活塞发动机5)rotary engine,[有不动轴及旋转缸体的]旋转式发动机，转缸式发动机6)double cylinder engine,双缸式发动机
