“profitable thickness of coal seam”的概念、定义、翻译、参考文献-科学参考

单词	profitable thickness of coal seam
释义	profitable thickness of coal seam Encyclopedia 理学煤炭地质勘查释 profitable thickness of coal seam煤层有益厚度煤层顶底板之间所有煤分层厚度的总和。
随便看	fish orbit fish orienting machine fish overwintering ground fish overwintering migration fish parasitology fish passage facilities fish pharmacology fish phototaxis fish physiology fish population fish population dynamics fish population fecundity fish population genetic characteristics fish population structure fish postmortem fish primordial germ cell fish protein concentrate fish pump fish radio frequency tags fish recruitment fish releasing fish reproduction behavior fish reproduction model fish reproduction patterns fish reproductive rtrategy

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。