辅助转向换向器阀
supplemental steering diverter valve
表面换热分析
surface heat transfer analysis
表面换热面积
area of surface-heat transfer
表面换热系数
surface exchanging heat coefficient
surface heat-transfer coefficient
surface heat transfer coefficient
补偿式换向器电动机
compensated commutator motor
大型无换向器电机技术
Large Pole-changer-free Electric Motor Technology
单相并激换向器电动机
single-phase shunt commutator motor
单相串激换向器电动机
single-phase series commutator motor
当代大型无换向器电机
the large non-commutator machines now