Tsarin Valve na Valve 1. Tsarin bawul ɗin bawul ɗin ƙuraƙwalwar ƙurar ƙofa ta ƙayyade haɗin tsakanin jikin bawul ɗin da bututun, bawul ɗin da bawul.Dangane da hanyoyin kere-kere, akwai simintin gyare-gyare, gyare-gyare, walda, walda da ...
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