Kune marudzi matatu e-high-pressure flange sealing surface: ndege yekuisa chisimbiso pamusoro, yakakodzera kune yakaderera kudzvinyirira, kwete-chepfu midhiya zviitiko; Concave uye convex yekuisa chisimbiso pamusoro, yakakodzera kune yakakwira zvishoma nguva dzekumanikidza; Tenon groove sealing surface, yakakodzera kupisa, kuputika, ine chepfu m...
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