Waxaa jira saddex nooc oo kaarboon birta flange shaabadeynta dusha, kuwaas oo ah: 1, tenon shaabadeynta dusha: ku haboon ololaya, qaraxa, warbaahinta sunta iyo marmar cadaadis sare. 2, dusha daboolida diyaaradda: ku habboon cadaadiska maaha mid sarreeya, marar dhexdhexaad ah oo aan sun ahayn. 3, concave and convex sealing sur...
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