beta contamination indicator 污染指示器
beta hand contamination monitor 手污染监测器
·2,447,543篇论文数据，部分数据来源于NoteExpress
The company will further investigate the possible spread of contamination and its potential impact in the ocean, including the existence of beta radiation that could contain harmful strontium, company spokesman Yoshikazu Nagai said.
WSJ: New Leak at Japan Reactor Threatens Ocean
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