auxiliary steam and condensate return system
auxiliary steam distribution system
auxiliary steam manifold
auxiliary steam supply system
厂用蒸汽供应系统
智能电子设备
智能电子设备(IED)
steam turbines using steam to reduce temperature and pressure
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