Nhazi ntọala nke okporo osisi mgbaama okporo ụzọ: okporo osisi mgbaama okporo ụzọ okporo ụzọ na okporo osisi akara bụ nke nwere okporo osisi kwụ ọtọ, flanges jikọtara, ogwe aka ịkpụzi, flanges na-arị elu na ihe eji arụ ọrụ nchara.Ogwe ọkụ mgbaama okporo ụzọ na ihe ndị bụ isi ya kwesịrị ịbụ nhazi nke na-adịgide adịgide, ...
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