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	back width backwind back-wind backwinded back winder backwinder key back winding backwinding back window back window ledge backwinds back wire back-wired panel back wiring back wiring operation back-with backwood backwoodish backwoods backwoodsman backwoodsmen backwoodss back woods wood backwoodsy back wool

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