Underground rivers  地下河

underground water in coal underground water  煤田矿坑水

10 kV cable laying underground  10kV电缆入地

22cm Underground Retaining Wall  22cm地下连续墙

3-D wave speed structure model of underground  三维地下速度结构模型; 反

500 kV underground substation  500kV变电站; 500 kV变电站; 500kV地下变电站; 500 kV地下变电站

500 kV World-Expo underground substation  500kV世博地下变电站

A storeroom underground  地下库房

Abandoned Underground Space  废弃地下空间

above top floor and underground position  上置式与下置式; 检定吸管

aboveground and underground  地上部与地下部

Air Defence Underground Garage  人防地下车库

air-raid shelter underground  地下防空洞

Analysis of Underground Pressure  矿压分析

anchor cable worked underground for twenty years  服役20a锚索

Ancient underground caverns  古地下洞室群

ancient underground lake sediments  古暗湖沉积物

ancient underground openings  古代大型地下洞室群

ancient underground water  古地下水