HDPPC Half Duplex Point to Point Control station
point to point control system
Point-to-point control
逐点控制
点对点控制
指标
点至点控制
点位控制
点到点控制
point-to-point control panel wiring diagram
point-to-point control system
station， point-to-point
communication in point to point mode
communication in point-to-point
link mode of point to point
message point-to-point protocol
Microsoft point-to-point encryption
nonswitched point-to-point line
point to point and multidrop transmission system
Point to point approach