Mpempe akwụkwọ ọla kọpa nwere ezigbo ihe eji arụ ọrụ, ezigbo plasticity thermal, plasticity nke a na-anabata, nhazi dị mma, dị mfe weld na weld, ezigbo nguzogide corrosion, ọnụ ala dị ala, ngwa obosara.Ihe eji arụ ọrụ nke mpempe ọla kọpa dịkwa iche na ọla ndị ọzọ, na igwe...
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