Construction Technique for the Shallowly Buried and Darkly Excavated Tunnel on the Cobble Water-rich Stratum是什么意思_Construction Technique for the Shallowly Buried and Darkly Excavated Tunnel on the Cobble Water-rich Stratum在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句