manometric flame
दाबमापी ज्योत, (a small gas flame so arranged as to oscillate by the variations of pressure due to sound-waves impinging on a diaphragm forming one wall of a small gas chamber) दाबमापी ज्योत
दाबमापी ज्योत, (a small gas flame so arranged as to oscillate by the variations of pressure due to sound-waves impinging on a diaphragm forming one wall of a small gas chamber) दाबमापी ज्योत
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