Construction of dikes on other main rivers should also be strengthened. Second-class flood-control facilities on main tributaries and lakes should also be improved.是什么意思_Construction of dikes on other main rivers should also be strengthened. Second-class flood-control facilities on main tributaries and lakes should also be improved.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句