“tunnel set”的概念、定义、翻译、参考文献-科学参考

单词	tunnel set
释义	tunnel set [`tǝn·ǝl ´set] ^{MINING ENGINEERING} Timbers 6 to 8 inches (15 to 20 centimeters) in diameter and of sufficient height to support the roof of the tunnel.
随便看	bayleyite baymouth bar bay oil bayonet bayonet base bayonet coupling bayonet Neil-Concelman connector bayonet socket bayonet-tube exchanger bayou bay rum bay-rum tree bayside beach bay window bazooka bazzite B battery BBC BBD B-B fraction BB gun B bit bbl B blasting powder B box

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。