“main”概念、定义、翻译-科学时代

单词	main
释义	水利水电词汇手册 main 电力网，电力线；干线；干渠
随便看	customs permit customs procedure customs procedures customs quota customs quota customs quota customs quota system customs ratable price customs receipt customs regime customs seal customs-stamped customs supervision customs supervision zone customs tariff customs tariff customs tariff customs tariff customs tariff customs territory customs treaty customs union customs union Customs Union customs union

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。

main