Ratio yeyakajairika kuyerera Q3 kusvika kushoma kuyerera Q1.Kuyerera kwemaitiro e ultrasonic mvura mita inotarwa neQ1, Q2, Q3 uye Q4, zvinoenderana neyakajairwa kuyerera mwero Q3 (kusvika m3 / h ndiyo unit) uye chiyero cheQ3 kusvika kudiki kuyerera Q1.Q3 inotangira pa1, 1.6, 2.5, 4, 6.3, 10, 16, 25, 40, 63, 100, ...
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