“natural bitumen”的概念、定义、翻译、参考文献-科学参考

单词	natural bitumen
释义	natural bitumen 天然地沥青
随便看	type statian type strain type style type symbol type technology type test type tractor type train printer type tree type vector type wheel type wheel printer type wheel typewriter typewrite typewriter type-writer typewriter alloy typewriter composition typewriter control unit typewriter copy typewriter desk typewriter manifold paper typewriter ribbon typewriter ribbon fabrics typewriter ribbon ink

科学参考收录了1248194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。