“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	Jiankang Landscape architecture during the Wei,Jin and Southern and Northern Dynasties(221-589 AD) Jiankang Shilu (Chronicles of Jiankang) Jian Kiln Jiankun jianli jianliao jianling decoction Jianli Shi Jianmenguan tourist area Jianmen Shan Jianmen Shudao Fengjing Mingshengqu Jianmen Shudao Scenic and Historic Area Ji'an Museum Jiannandao Jianning Xian Jianou Shi Jianping human remains Jianping Xian jianpi pill Jian Qingfu Jiansequn Jianshan Qu jianshi Jianshi Homo Erectus Site Jianshi human remains

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。