Leyon Fighry na-alụ ọgụ ụzọ abụọ na-enyocha valvụ
LeYYONGrooved abụọ na-enyocha valvụbụ ụdị nyocha nke valve (valve valve) na njikọ groof. A na-eji ya eme ka mmiri nwee naanị otu ụzọ, na ndị na-achaghe na-emeghe iji kwe ka ịgbachi ọsọ.

Dee ozi gị ebe a ma zigara anyị ya