“downcomer backup”概念、定义、翻译-科学时代

单词	downcomer backup
释义	化工词汇手册 downcomer backup 降液管液柱高度，降液管清液层高度
随便看	small scale small scale business small scale business small-scale chart small-scale chart small scale effect small-scale fishery small-scale hydraulic model small scale integration small scale integration--small scale integration (SSI) small scale integration (SSI) small-scale peasant economy small-scale production small-scale production small scale retailing small-scale survey small-scale turbulence small screen small sculpture small seal script small seal style small shark's fin in pottery pot small-shipment service small-signal gain small size camera

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。