Ngwá ọrụ igwe a bụ igwe na-edozi oghere miri emi nke nwere ike ịmecha oghere miri emi, na-agwụ ike, na-atụgharị na trepanning.
Nke a igwe ngwá ọrụ na-ọtụtụ ebe na-eji miri oghere akụkụ nhazi na agha ụlọ ọrụ, ngwá agha nuklia ike, mmanụ ụgbọala ígwè, engineering ígwè, mmiri conservancy ígwè, centrifugal nkedo ọkpọkọ ebu, coal Ngwuputa ígwè na ndị ọzọ ọrụ, dị ka trepanning na-agwụ ike nke elu-nrụgide ji esi mmiri ọkụ. ọkpọkọ, wdg.
Oge nzipu: Sep-27-2024