“pyramid sign”的概念、定义、翻译、参考文献-科学参考

单词	pyramid sign
释义	pyramid sign 锥体束征
随便看	steel cellular bulkhead steel channel beam steel channel column steel chips steel chisel steelclad steel clad steel-clad steel-clad brick steel-clad rope steel-clad switchbox steel clip steel coach screw steel cofferdam steel collar steel collector bar steel column steel complex steel composing stick steel composite construction steel concrete steel-concrete composite girder steel concrete composite girder steel concrete sleeper steel conditioning

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。