U ka khetha valve e nepahetseng ea hydraulic butterfly joang?
U ka khetha valve e nepahetseng ea hydraulic butterfly joang? Hydraulic butterfly valve ke valve e tloaelehileng ea ho laola metsi, e sebelisoang haholo ho petroleum, lik'hemik'hale, matla a motlakase, phepelo ea metsi le liindasteri tse ling. Ho khetha valve e nepahetseng ea hydraulic butterfly ho ka ntlafatsa ...
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