Mmepụta ụlọ ọrụ
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Ihe mkpuchi cylindrical
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Ngwongwo Roller agịga
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Ihe mkpuchi rola nwere taper
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Mgbapụta Roller Bearings
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Akara mmanụ crankshaft
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Ụlọ ọrụ mmepụta ihe
Dee ozi gị ebe a ziga anyị ya
