pitch blende

 
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pitch blende的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 pitchblende:
  1. a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore

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