螺旋桨负载 meaning in English

propeller load

This study is done for the first time in domestic torpedo business , the mathematic model of cowterrotating motor is established and some special characteristics of torpedo ' s drive cowterrotating dc motor under the load of constant torque or the load of cowterrotating propellers are exposited
这项研究在国内同行中还是首次进行，它建立了鱼雷双转推进电机的数学模型，揭示了鱼雷双转推进电机在恒力矩负载和对转螺旋桨负载下的一些特殊特性。