Auxiliary Engine
辅助机器
辅助发动机
辅助引擎
辅机辅助发动机副机
辅机副机
辅助动力机
副机
辅机
auxiliary engine optimization
Converter auxiliary device
caliper disc inertia braking device
electronic braking device
urgently braking device
de (得) as auxiliary verb
500 kV auxiliary transformer
6 kV auxiliary power system
abrasion-proof auxiliary nozzle
AC auxiliary driving system
AC auxiliary transmission
Accented auxiliary note