304 igwe anaghị agba nchara enweghị nkebi ọkpọkọ yi onu bụ nnọọ nkịtị, ọtụtụ ihe kpatara nke a onu nwere physico-chemical na n'ibu akụkụ, tumadi site abrasive yi, nrapado yi (glued), ike ọgwụgwụ eyi (pitting) corrosion na eyi.304 igwe anaghị agba nchara enweghị nkebi anwụrụ na-eyi fọrọ nke nta niile pro ...
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