(1) Ultrasonic mita: ƙananan mitar, mafi kyawun cavitation, mafi girman mita, mafi kyawun sakamako na refraction.Don sauƙin tsaftacewa mai sauƙi na ultrasonic, ƙananan mitar kamar 28khz ya kamata a yi amfani da shi, kuma ya kamata a yi amfani da mitar mai girma don hadadden farfajiya da rami mai zurfi.
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