英语词汇“fractured roof, friable roof”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	fractured roof, friable roof
释义	fractured roof, friable roof 破碎顶板; 岩层节理裂隙十分发育、整体强度差、自稳能力低的顶板。
随便看	purblind purblindly purblindness Purbolinggo Purbānāwāla purce purcel purcelain purcelaine purcelane purcelanes Purcell Purcell, Edward Mills Purcell, E.M. Purcell, Henry Purcell Mountains purcellmountains purcells purcellville purcha Purchas purchasability purchasable purchase purchase account

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