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炭:概述其特性和用途
victorhwyl312835
10 hours ago
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يُعرَّف 炭 بأنه مادة خشبية ناتجة عن احتراق المواد العضوية في غياب الهواء. يُستخدم الفحم الطبيعي على مدى القرون لعدة
https://arranomhp353449.imblogs.net/86209645/炭-概述其特性和用途
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