Ultrasonic flow meter yog tsim los ntawm ultrasonic transducer thiab transmitter nrog kev ruaj ntseg zoo, me me xoom drift, siab ntsuas qhov tseeb, ntau qhov sib piv thiab muaj zog tiv thaiv kev cuam tshuam cov yam ntxwv, dav siv hauv kais dej, cua sov, dej txuag, metallurgy, tshuaj lom neeg kev lag luam, tshuab. ..
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