数字-数字数据变换器
digital-to-digital data converter
机电伺服机构
Electromechanical servo mechanism
2D气动数字伺服阀
2D pneumatic digital servo valve
带正负号数字数字系统
signed digit number system
地电数字数据
Digital geoelectricity data
汽轮机数字电液控制系统(DEH)
Turbine digital electro-hydraulic control system(DEH
DEH
DEH control system of steam turbine
全数字伺服控制
whole numeric servo-controlled control system
全数字伺服系统
Fully-digital Servo System
Digital servo system
Fully digital servo system
数据电话机数字服务
DDMAdataphone digital service
dataphonedataphone digital service
DDDdataphone digital service