对转推进器 meaning in English

contrary turning propeller
contrary-turning propeller

Coaxial contrary rotating propeller
同轴对转推进器
Applying direct - thrust double - rotor motor in opposite - direction thrusters can not only avoid the complexity of mechanical parts but also make it easy to control the speed of the thruster
在对转推进器中应用直接推进的双转式永磁无刷直流电动机不但能消除齿轮等机械部件的复杂性，而且还使得推进系统的无极调速成为了可能。