“顶梁”概念、定义、翻译-科学时代

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

单词	顶梁
释义	房地产词汇手册顶梁 header
随便看	fixed line fixed line operation fixed-line phone payment system fixed lipid fixed loan fixed loan secured fixed loan unsecured fixed locator-identification method fixed macrophage fixed mean pole fixed mean pole fixed microbe fixed microwave auxiliary station fixed mirror focus solar-to-electrical conversion fixed mirror line focus system fixed mirror moving-absorber system fixed mixer fixed mounting base fixed networks services fixed nicotine fixed oceanographic station fixed oil fixed oil fixed optical attenuator fixed optical attenuator