CCR-Aromatic extraction integration unit
central interpretation unit
grid unit integeralization
LIU:Lightguide Interconnection Unit
air separation unit integrated
air separation unit integrated coefficient
air-conditioning and desalination integrative unit
all-electronic computer interlocking implementation unit
Application specific integrated circuit of the multiple control unit
communication interface unit
control unit of isolation between internet and intranet
integral primary unit substation
integral unit substation
integrated air separation unit
integrated water filtration unit
intelligent configuration unit
internal combustion generating unit
internal located refrigeration unit