英语词汇“back-filling system”的翻译、意思、用法、释义-英汉汉英双解词典

单词	back-filling system
释义	back-filling system 井下充填系统
随便看	tunnel obstruction signal tunnel of coal mine tunnel of corti tunnel of extra-long tunnel of highway Tunnel of Jinmenkou tunnel of love tunnel of Nanjing Yangtse River tunnel of operation tunnel of passenger railway line tunnel of tendon tunnel of the passenger-dedicated line tunnel opening tunnel operation tunnel operation control center tunnel-orepass system tunnel our way tunnel our way through into tunnel outlet tunnel oven tunnel oxide tunnel pattern tunnel pavement tunnel paving Tunnel perforation