The anọ strok osisi ngwá ọrụ mmanụ ụgbọala saw nwere ọtụtụ uru: 1. Ọ dịghị mkpa ka ịgbakwunye ọcha mmanụ ụgbọala n'ike-n'ike, adịghị sere cylinder, na ọzọ inogide, adaba na mfe.2. Mbubata crankshaft, nnukwu mmanụ ụgbọala na-azọpụta carburetor, elu okpomọkụ na-eguzogide, ike ọrụ na ...
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