high-torque 基本例句 大转矩 Experimental determination of quality factors for mechanical and hydraulic efficiencies of low-speed and high-torque hydraulic motor2SJMD-100 using the“ Triangle Method” is discussed in this paper. 本文利用“三角法”测出2SJMD—100型液压马达机械液压效率的品质系数，研究其变化规律。 cnki