“旱桥”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	旱桥
释义	请查阅旱桥--跨线桥
随便看	normal goods normal goods normal goods normal gravitational potential normal gravitation potential normal gravity normal gravity normal gravity normal gravity field normal gravity field normal gravity formula normal gravity formula normal gravity line normal gravity potential normal gravity potential normal growing stock normal growth rate normal growth rate normal head normal height normal height normal helix normal high-water level normal high water level normal high water level (NHWL)