“ratio of average gross profit”的概念、定义、翻译、参考文献-科学参考

单词	ratio of average gross profit
释义	ratio of average gross profit 平均毛利率
随便看	friction feeder friction feed paper friction fibre board friction field friction flow friction force friction foundation friction gauge friction gear friction gearing friction glazed machine friction glazed paper friction glazed paper board friction glazing friction goods friction governor friction grip friction-grip mechanism friction guide friction hammer friction hardening friction head friction head loss friction heat friction heating

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。