“headsill”的概念、定义、翻译、参考文献-科学参考

单词	headsill
释义	headsill [`hed´sil] ^{BUILDING CONSTRUCTION} A horizontal beam at the top of the frame of a door or window.
随便看	measured drilling depth measured mile measured ore measured relieving capacity measured service measured spectrum measured work measurement measurement ton measure of location measure-preserving transformation measure space measure theory measure zero measuring chute measuring day measuring machine measuring pocket measuring tank meatal plate meatotomy meatus mechanical mechanical advantage mechanical alloying

科学参考收录了103327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。