“洞顶木”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	洞顶木
释义	洞顶木 crown bar
随便看	cylinder liner service tool cylinder lock cylinder lubrication cock cylinder manifold cylinder microtome cylinder mill cylinder mixer cylinder mould machine cylinder number cylinder offset cylinder oil cylinder oiling cylinder oil pipe cylinder oil pressure detector cylinder operator cylinder overflow area cylinder packing ring cylinder paddle spreader cylinder paper machine cylinder passage cylinder pickup cylinder pile cylinder plug cylinder plug gauge cylinder port