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炭:概述其特性和用途
jemimadshj485166
1 day 7 hours ago
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يُعرَّف فحم بأنه مادة وخشبية ناتجة عن احتراق المواد الخشبية في غياب الكمية الكافية من الأكسجين. يُستخدم الفحم الطبيعي
https://darrenlhhm971219.tokka-blog.com/36890470/charcoal-an-overview-of-its-properties-and-uses
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