“煤层顶板”的概念、定义、翻译、参考文献-科学参考

单词	煤层顶板
释义	煤层顶板 Encyclopedia 理学煤炭地质勘查释 roof of coal seam煤层顶板在正常顺序的含煤岩系剖面中，直接覆于煤层上面的岩石。
随便看	Hu Xiaohai Hu Xiaomao Hu Xiaoping Hu Xiaoshi Hu Xigeng Hu Xingjian Huxing Moutain-Huayao Scenic and Historic Area Hu Xinzhong Huxley Huxley crater huxtar Hu Xueyan's former residence and Zhiyuan Huya Huyan village theatre with wooden operatic engravings of Leping city Hu Yaobang Museum Hu Ye Hu Yepin Huygenian eyepiece Huygenian region Huygenian telescope Huygens Huygens approximate value Huygens, Christiaan Huygens'construction Huygens crater

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。