Mining excavation adopted on the cross-over section of transit tunnels from station Hepingxiqiao to station Beituchengdonglu on Beijing subway是什么意思_Mining excavation adopted on the cross-over section of transit tunnels from station Hepingxiqiao to station Beituchengdonglu on Beijing subway在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句