Spiral welded pipe (SSAW) iwepụ nchara na usoro mmeghe nke mgbochi corrosion: Mwepụ nchara bụ akụkụ dị mkpa nke usoro mgbochi corrosion pipeline. Ugbu a, e nwere ọtụtụ nchara mwepụ ụzọ, dị ka ntuziaka nchara mwepụ, ájá gbawara na pickling nchara mwepụ, wdg N'etiti ha, akwụkwọ ntuziaka rust ...
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