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炭:概述其特性和用途
poppieilkl668585
6 hours ago
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يُعرَّف 炭 بأنه مادة عضوية ناتجة عن احتراق المواد الطبيعية في غياب الهواء. يُستخدم الفحم الطبيعي على مدى القرون لعدة
https://idadqvt056371.bloggerswise.com/44344131/charcoal-an-overview-of-its-properties-and-uses
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