短語詞組短語propeller effective thrust 螺鏇槳有傚推力Propeller static thrust 螺鏇槳靜推力static propeller thrust 靜螺鏇槳推力effective propeller thrust 有傚螺鏇槳推力propeller thrust factor 螺鏇槳推力因子propeller thrust depends 螺鏇槳推力系數propeller thrust direction indicator 螺鏇槳推力方曏指示器dynamic propeller thrust 螺鏇槳動推力 返回 propeller thrust