英语词汇“empty roof mining space”的翻译、意思、用法、释义-英汉汉英双解词典

单词	empty roof mining space
释义	empty roof mining space 顶板走向采空区
随便看	Corneliu Ion cornelius Cornelius Cornelius Fudge: Now write your name only Cornelius Jansenius cornelius janseniuss Cornelius Johnson Cornelius keg Cornelius kegs cornelius leahy Corneliuson Cornelius Otto Corneliussen Corneliusson cornelius vanderbilt Cornelius Vanderbilt cornelius vanderbilts Cornelius van Oyen cornelius van til cornelius walsh Cornell Cornella cornell aeronautical laboratory cornell aeronautical laboratory shock tunnel Cornellana