engine division engineering

engine division service engineering

wavelength-division-division-multiplexing

naturally-aspirated engine （NA engine）

programmable electronic engine control equipped engine

engineering district；maintenance of way section；track division；track district；track maintenance division

flow division and sediment division

time division duplex code division multiple access

time division duplex-code division multiple access

time division duplexing-coding division multiple a

time division synchronous code division multiple access

Time Division-Code Division Multiple Access TD-CDMA

time division-synchronization code division multiple access (TD-SCDMA)

Time Division-Synchronize Code Division Multiple Access

Time Division-Synchronize Code Division Multiple Access (TD-SCDMA)

time division-synchronous code division multiple a

Time Division-Synchronous Code Division Multiple Access (TD-SCDMA)

time division-synchronous code division multiple access standard

time division-synchronous code division multiple access(TD-SCDMA)