“qd”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	qd
释义	qd 每日
随便看	seat cutter seat diameter seat division seat earth seated armature seated connection seated directional valve seated gas generator seated knee level seated L-square seated position seated valve seated valve pump seated valve pump (液压) seat-ejection initiator sea temperature sea temperature chart sea terminal sea terrace seat filler material seat fire seat for heating tube support seat frame seat framework seat grinder