1 ผลลัพธ์ สำหรับ *methanometer*
หรือค้นหา: methanometer, -methanometer-

Collaborative International Dictionary (GCIDE)
Methanometer

n. [ Methane + -meter. ] An instrument, resembling a eudiometer, to detect the presence and amount of methane, as in coal mines. [ Webster 1913 Suppl. ]


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