UHlelo loMgangatho we-PVC: Ukuqonda iintlobo ezahlukeneyo ze-PVC zeValve Fittings
I-PVC, okanye i-polyvinyl chloride, yimathiriyeli eguquguqukayo kwaye isetyenziswa ngokubanzi ekwenzeni iimveliso ezahlukeneyo, kubandakanya ukufakwa kwevalvu. Xa kuziwa kufakelo lwevalvu yePVC, kubalulekile ukuqonda inkqubo yolwahlulo olusemgangathweni olusetyenziselwa ukwahlula...
jonga iinkcukacha