Butterfly valve imhando yevharuvhu, yakaiswa papombi, inoshandiswa kudzora kutenderera kwepakati mupombi. Butterfly valve inoratidzirwa nechimiro chakareruka, huremu huremu, zvikamu zvechigadzirwa chekufambisa, muviri wevharuvhu, ndiro yevharuvhu, tsinde yevharuvhu, chigaro chevharuvhu zvichingodaro. Uye zvinosanganisira...
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