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Ọla kọpa nwere ọla ọcha nwere obere phosphorus deoxidized Tube ọla kọpa
Okwu Mmalite Ọla kọpa Tube na-ebu ọla nwere ezigbo ọkụ eletrik, mmiri na mmiri mmiri, ihe eji arụ ọrụ dị mma, isi ike dị elu, nguzogide na ịgbado ọkụ.Ngwa Ngwa A na-eji ọla kọpa na-ebu ọla ọla dị ka ihe kọntaktị eletrik na ọrụ ọkara ma ọ bụ ọrụ dị arọ ...
