“任选功能”的概念、定义、翻译、参考文献-科学参考

单词	任选功能
释义	任选功能 optional feature optional function
随便看	tappet head tappet lock tappet loom tappet machine tappet motion tappet oil gallery (气门) tappet plunger tappet pull-out guard tappet rod guide tappet roller tappet screw tappet shaft tappet sleeve tappet spanner tappet spring tappet valve tappet wear surface tappet winding tappet wrench tapping tapping analysis tapping arrangement tapping attachment tapping bar tapping bushing

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。