Qalinkii Dhalashada
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DRK8011 Dijital ah Qalinkii dhalaalay
Abbeder refractometer waa qalab awood u leh inuu go'aamiyo hufnaanta, dareeraha hufan, ama index refractive adag ND iyo kala firidhsan siman ND-NC (kaas oo inta badan ay ku jiraan dareeraha hufan inta badan).
