“key money”的概念、定义、翻译、参考文献-科学参考

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。

单词	key money
释义	key money 开门费
随便看	effective flange width effective flow effective flow parameter effective flow pitch effective flow resistance effective f-number effective focal length effective force effective fragment effective fragmentation effective gage length(强力测试的) effective gain effective gamma effective gap effective gap length effective gasket width effective gate width effective generation time effective genus effective gradient effective grain size effective grounded line effective grounding effective ground pressure effective growing season