“闭断瓣”的概念、定义、翻译、参考文献-科学参考

单词	闭断瓣
释义	闭断瓣 shutting clack
随便看	draw bolt drawbolt lock (内用把手外用钥匙开的锁) draw-bore draw-bore pin draw box drawbridge draw chisel draw collet draw cord draw course draw curtain draw cut drawcut type keyseater DRAW disk system draw-door weir draw-down drawdown drawdown cone of groundwater drawdown curve drawdown curve of groundwater drawdown ratio draw drafts draw drapery draw drum draw edge radius

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。