“symmetrical circulation”概念、定义、翻译-科学时代

单词	symmetrical circulation
释义	工程与技术词汇手册 symmetrical circulation 对称循环
随便看	dangerous and hazardous cargo（D & H） dangerous article dangerous cargo dangerous cargo dangerous cargo leaflet dangerous cargo mark dangerous cargo safe stowage certificate dangerous class dangerous cross-section dangerous down grade dangerous driving dangerous drugs clause dangerous duties allowance dangerous duty dangerous goods dangerous goods declaration dangerous goods godown dangerous load dangerous mark dangerous military activity dangerous pathogenic factor dangerous premises dangerous stage dangerous surface danger pay

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

symmetrical circulation