数字-数字数据变换器
digital-to-digital data converter
微小数字阀
micro electrohydraulic digital servo valve
PCC(program-controlled computer)可编程计算机控制数字阀式水轮机调速器
program-controlled digital-valve turbine governor
带正负号数字数字系统
signed digit number system
泛欧式数字式无线通讯系统
digital european cordless telecommunication
数字流量控制阀
digital flow control valve
数字流量指示器
digital flow rate indicator
数字式微波中继通信系统
digital microwave relay system
数字式微欧-微压表
digital micro-ohm and micro-voltage meter
数字式小巧卡式带机
DCAdigital compact cassette system
DCAMdigital compact cassette system
数字式小时计读数
digital hour meter reading