Ø Wepụ ihe mkpuchi engine mbụ, ịkwesịrị iwepụ mkpuchi engine.Onye na-arụ ọrụ ga-ewepụ ihe mkpuchi engine plastik iji nweta mkpuchi valvụ.Na-esote, ha ga-ewepụ ihe ndị dị mkpa.N'ọtụtụ engines cylinder anọ, mkpuchi valvụ nwere ike irukarị ebe ...
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