The average radon concentration inside the emporium was 34.10+9.42 Bq/m~3 with the total effective dose per year of 1.0709 mSv.是什么意思_The average radon concentration inside the emporium was 34.10+9.42 Bq/m~3 with the total effective dose per year of 1.0709 mSv.在线翻译_英语_读音_用法_例句