地下通信电缆
underground communication cable
underground telecommunication cable
半地下通风库
semi-underground ventilation storeroom
北京西客站南广场地下通道
underground passageway of the south square at Beiling West Passenger Station
本地通信服务器
LCS Local Communication Server
本地通信控制台
LCC Local Communication Console
本地通信网
Local telecommunication Network
LCN:Local Communication Network
LCN Local Communications Network
本地通信载体
domestic satellite carrier
车地通信
train-ground communication
Train-to-ground Communication
Train-wayside Communication
TWC
Wayside-train communication
Train-waiside communication
车-地通信
train-ground communication
Train-wayside Communication
TWC
地下－地表水
groundwater and surface water
groundwater-surface water
地下地震测量
underground seismic survey