Muaj peb hom high-pressure flange sealing nto: dav hlau sealing nto, haum rau qhov tsis tshua muaj siab, tsis muaj tshuaj lom neeg lub sijhawm;Concave thiab convex sealing nto, haum rau me ntsis siab dua zaus;Tenon groove sealing nto, haum rau nplaim taws, tawg, lom m...
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