模拟电话通话
simulate telephone communication
市内电话电话号码配换选号
Selection or Change of Telephone Number
单一电解质溶液
single electrolyte aqueous
mixed electrolyte aqueous
计算机电话一体化
CTI computer telephone integration
计算机电话一体化CTI
computer telephone integration CTI
PHS个人手持电话通信系统
PHS personal handy-phone system
电话通信系统
Telephone communication system
telephony system
电话通信用户组
TCG Telephone Communication Group
电话通讯单元
telephone communication units
电话通讯工业
telephone communication industry
电话通讯系统
Telephone communication system