Valve Butterfly Wafer ma Gearbobx
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Fa'alava lele lele ma gearbobx
Fa'ato'a fa'alava pepe fa'atasi ma pusa mea fa'aoga anufe.O le anufe e faia i le uʻamea ductile QT500-7 faʻatasi ai ma le anufe, faʻatasi ma le faʻaogaina o le saʻo maualuga, o loʻo i ai uiga o le ofuina o le teteʻe ma le maualuga o le felauaiga lelei.