Pfupiso Ma flow metres ndiwo maturusi akakosha mukutonga mashandiro emaindasitiri, kuyera simba, uye kutarisa nharaunda. Pepa rino rinoenzanisa misimboti yekushanda, hunhu hwehunyanzvi, uye mashandisirwo akajairika ema electromagnetic flow metres, ultrasonic flow metres, uye gas flow meter...
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