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

词汇	absolute roof
释义	absolute roof 采矿绝对顶板；矿层以上的直接顶板
随便看	bedraggledly bedraggledness bedraggles bedraggling bedragoned bedrail bed rail bedpost bed post bed-post bedposts bed posts bed-posts bed posture bed practice bed-predeposit of mud bedpress bed press bed pressure bed pressure differential bed pressure drop bed prestressing bed bed process bed process ion-exchange bed profile