radon concentration
英
美
- 氡浓度
双语例句
- The variation rules of Rn concentration in the soil of the groundwork in Chengdu area is discussed from different angles.
本文就成都地区地坪基础的施工中氡浓度的变化规律作一初步探讨。 - In this study,indoor radon consistence in some buildings in Beijing was measured with activated carbon box method.
采用活性炭盒法测定北京地区部分居民住宅内的氡浓度。
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