485 communication protocol  485通信协议

class 2 communication protocol  低频减载; CLASS 2通信协议

H 20 20 communication equipment  Harris2020交换机

IP- 1 commutation  IP-1变换

RS 485 communication  RS485标准通信卡

RS 485 communication mode  RS485通信方式

RS-232 communication  RS-232串行通信; RS-232通讯; RS-232通信

RS-422 communication protocol  RS-422通信协议

RS-485 communication  RS-485通信; RS-485通讯; RS-485总线; RS-485总现; RS-485总线通信; 485通讯

RS-485 Communication Protocol  RS-485通信协议

RS-485 communication interface  R485通讯接口

RS-485 communication module  RS-485通信模块

10 kV communication access system  10kV通信接入网

120 Command Information Systems  120指挥信息系统

485 serial communication  485串行通信

Beyond 3 Generation mobile communication system  B3G移动通信系统

Communication Controlware Mscomm 32  通讯控件Mscomm32

communication network of 10 kV feeder terminal units  10kV终端通信网

halfcontrolled 3-phase bridge commutation circuit without runaway  不失控三相桥式半控整流电路