activity concentration是什么意思 activity concentration怎么读
activity concentration的相关资料
activity concentration的用法和样例
- The cost for the deposition of the waste depends also upon the volume of the storage cavities and the maximum allowable radioactive concentration of the waste.
废料处理费用还取决于贮存空穴的容积和允许的废料最大放射性浓度。
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