ʻEkolu ʻano o ka flange sealing surface kiʻekiʻe: plane sealing surface, kūpono no ka haʻahaʻa haʻahaʻa, non-toxic media occasions;Concave a convex sealing surface, kūpono no nā manawa kiʻekiʻe iki;Tenon groove sealing surface, kūpono no ke ahi, pahū, toxic m...
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