Mawilo opera amatha kugwiritsidwa ntchito pogaya pamwamba, valavu ya valavu, valavu ina ya valavu kuti muwonetsetse mtundu, kukula kwa tirigu nthawi zambiri kumasankhidwa, komanso mawonekedwe ndi kukula kwa gudumu lopera.
Kwa makampani opanga ndi kukonza mafakitale, osankha guwa lamanja lokukutira ndikofunikira chifukwa chimakhudza mwachindunji ndi magwiridwe antchito ndi magwiridwe antchito a valavu. Chifukwa chake, kusankha kolondola ndi kugwiritsa ntchito mawilo okukuta kungakulitse ntchito yogwira ntchito ndikuwonjezera moyo wa hudu wa hudu, pomwe akuwonetsetsa kudalirika komanso chitetezo cha valavu.


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Valavu ya injini yopukutira, yapadera ndi yopangidwa ndi ma valve nkhope yopukuta
Oyenera Makina Osiyanasiyana: Makina Olemba Svsii, Makina A Valve, Kukwanira Valavu


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