路桥衔接段
Road-bridge Connecting Section
路桥路基
Railway and Bridge Subgrade
双桥桥路型高温超导限流器
Double-bridge rectifier type high temperature superconducting fault current limiter
D通道链路接入协议
Link Access Protocol for D channel LAPD
D通路上链路接入规程
Link Access Procedure of D-Channel LAPD
PTI多路接收器
Positive Train Identification multiplexer
安徽省路桥公司
Highway and Bridge Corporation of Anhui Province
北京城建集团路桥公司
road bridge company beijing
road bridge company
beijing urban construction corp.