تحليل مياه الشرب
6:11
Added: 2 years ago
From: tafanin2
Views: 3,757
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  • داحنا بنشرب بترول

    amrdmar2211 7 months ago

  • @amrdmar2211 التحليل الكيميائي دا هو الذي افسد الماء

    الماء نقي قبل التحليل

    التحليل يعني تفكيك وليس تنقيه

    abuwsam 5 months ago

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