“C4 fraction”的概念、定义、翻译、参考文献-科学参考

单词	C4 fraction
释义	C4 fraction Encyclopedia 工学裂解气分离释 C4 fraction碳四馏分石油炼制或石油化工生产中获得的碳数为4的烃类混合物。
随便看	flood and drought prevention law flood and drought prevention materials flood and groundwater waterlogging flood and waterlogging arrangement flood and water logging injury flood control flood control and droughtrelief command system flood control and emergency projects in ancient China flood control design flood control history of China flood control level flood control measures flood control of Changjiang River flood control of Huaihe River flood control of Liaohe River flood control of Pearl river flood control of Songhuajiang River flood control of Taihu flood control of tailings pond flood control of the Yellow River in ancient China flood control operation flood control planning flood control region flood control road Flood control system of Mississippi river

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。