“roof and floor”的概念、定义、翻译、参考文献-科学参考

单词	roof and floor
释义	roof and floor Encyclopedia 工学〔非常规油气地质要素〕释 roof and floor顶底板位于目的层段上、下部的，具有封隔能力的相对致密岩层。
随便看	Qingtang Qingteng Academy Qingteng House and Xu Wei's Tomb Qingtianhe cliff Qingtian River Scenic and Historic Area qingtian stone Qingtong Xia Qingtongxia Irrigation District Qingtongxia key water-control project Qingtongxia Shi Qin Guan Qin Guogang qing vs. zhong qingwei powder Qing Wen qingwen baidu decoction Qingxia Ji Qing Xian Qingxiang Painting and Calligraphy by Yuan Ji Qingxi Dao Qingxi Mangao qingxin lianzi decoction Qingxin Qu Qing Xitaihou Sangshi Lu Qingxiu Qu

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