However, the daily fluorine intake amounts could be limited within the tolerance (4.0 mg) when the fluorine contents of brick tea were lower than 400 ppm and the daily consuming amounts was less than 13.7 g.是什么意思_However, the daily fluorine intake amounts could be limited within the tolerance (4.0 mg) when the fluorine contents of brick tea were lower than 400 ppm and the daily consuming amounts was less than 13.7 g.在线翻译_英语_读音_用法_例句