Nkebi ahịrịokwu 1: Na elu okpomọkụ na elu hydrogen akụkụ mgbali, hydrogen nwere ike diffuse n'ime carbon ígwè alloys. Nkebi ahịrịokwu nke abụọ: N'ebe e nwere okpomọkụ dị elu na nrụgide dị elu nke hydrogen, hydrogen nwere ike ịgbasasị n'ime carbon steel alloys. Ajụjụ: Ọ̀ bụ otu ihe ka ahịrịokwu nke mbụ na nke abụọ pụtara? Ee ma ọ bụ Ee e?
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