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Ugboro abụọ Block na Bleed Ball Valve
DBB valvụ bụ "otu valvụ nke nwere oghere abụọ nke, na ebe a na-emechi emechi, na-enye akara megide nrụgide sitere na nsọtụ abụọ nke valvụ ahụ, na-eji ụzọ ikuku / bee oghere n'etiti ebe oche.
DBB valvụ bụ "otu valvụ nke nwere oghere abụọ nke, na ebe a na-emechi emechi, na-enye akara megide nrụgide sitere na nsọtụ abụọ nke valvụ ahụ, na-eji ụzọ ikuku / bee oghere n'etiti ebe oche.