Q1: valve ea serurubele ke eng?A: Butterfly valve ke valve e sebelisetsoang ho fetola phallo ea metsi le khatello, litšobotsi tsa eona tse ka sehloohong ke boholo bo nyane, boima bo bobebe, sebopeho se bonolo, ts'ebetso e ntle ea ho tiisa.Li-valve tsa Butterfly tsa Motlakase li sebelisoa haholo kalafong ea metsi, petrochemical, metallurgy, matla a motlakase ...
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