发动机及动力传动系 Engine and Power Train System

电动机制动力矩 stalled torque

机动发电机动力系统 engine-driven generator power system

发动机动力学 [动力] engine dynamics

火箭发动机动力学 [航] rocket motor dynamics

铲运机动力传动系 scraper power train

发动机动力受阻 Reduced Engine Performance

起动电动机磁力开关 starter motor magnetic switch