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| amplify vibrations of diaphragm (1)...amplifying the tiny vibrations of the diaphragm.. 2) ..causing a vibration which is amplified by the diaphragm. OLGA P.) | |||
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| amplify vibrations of diaphragm (1)...amplifying the tiny vibrations of the diaphragm.. 2) ..causing a vibration which is amplified by the diaphragm. OLGA P.) | |||