Isi isi ise nke nrụnye valve na-emekarị ntinye valvụ ikuku ọkụ, ojiji na mmezi
Isi isi ise nke nrụnye valvụ a na-ahụkarị nrụnye valvụ ikuku na-ekpo ọkụ, ojiji na mmezi Ọtụtụ valves bụ ntụziaka. Dịka ọmụmaatụ, valvụ globe, valvụ trotul, valvụ na-ebelata nrụgide, valvụ nlele, wdg, ọ bụrụ na etinyere ya azụ, ọ ga-emetụta ojiji eff ...
lee nkọwa