Kodi mungasankhe bwanji valavu ya butterfly ya hydraulic?
Kodi mungasankhe bwanji valavu ya butterfly ya hydraulic? Valavu yagulugufe ya Hydraulic ndi valavu yamadzimadzi yodziwika bwino, yomwe imagwiritsidwa ntchito kwambiri mumafuta, mankhwala, magetsi, madzi ndi mafakitale ena. Kusankha valavu yagulugufe yoyenera ya hydraulic kutha kuwongolera ...
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