Bite ho mugihe umubiri wa valve ubora? Ibisobanuro birambuye byuburyo bwo guhuza ibikoresho byinshi byahinduwe na valve igikoresho (I)
Bite ho mugihe umubiri wa valve ubora? Ibisobanuro birambuye byuburyo bwo guhuza ibikoresho byinshi bya disiki ya valve (I) Hamwe niterambere ryubuhanga, umusaruro winganda zubushyuhe bwo hejuru, umuvuduko mwinshi, ubukonje bwinshi, vacuum nyinshi, ruswa ikomeye, radio ikora, yaka umuriro ...
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