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Methanometer

资料来源 : pyDict

甲烷计; 沼气检定器

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Methanometer \Meth`a*nom"e*ter\, n. [Methane + -meter.]
   An instrument, resembling a eudiometer, to detect the
   presence and amount of methane, as in coal mines.
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