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炭:概述其特性和用途
flynnfgwg792051
2 days ago
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يُعرَّف 炭 بأنه مادة وخشبية ناتجة عن احتراق المواد الخشبية في غياب الهواء. يُستخدم الفحم الطبيعي على مدى الفترة الطويلة
https://maeimnp086588.blogs-service.com/67561114/فحم-طبيعي-لمحة-عن-خصائصه-و-استخداماته
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