Yintoni iVigor's Unlimited-Circulation Bypass Valve (UCBV)?
I-Vigor's Unlimited-Circulation Bypass Valve (UCBV) iqonda "i-"on" kunye "nokucima" okungenamkhawulo kwe-bypass engaphantsi komhlaba ngokukhwela kwexesha elilodwa kunye nokulawula izinga lokuhamba kwi-wellhead, ukuqonda ukudibanisa okuninzi kunye nokuqhawula phakathi kweliso lamanzi kunye ne-ann. ..
jonga iinkcukacha