Nyochaa Usoro Mgbasa Layer Carburized n'oge Nhazi nke Sprocket moto
(1) Carburized ọgba tum tum sprockets chọrọ a carburized oyi akwa n'elu eze n'elu. Mgbe a na-eji usoro "carburized-warm extrusion" mee ihe, nkesa nke oyi akwa carburized nwere njikọ chiri anya na usoro nrụrụ nke ụdị gia ...
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