Menene fa'idodin kayan kumfa na aluminum?
Kumfa mai sauƙi na Aluminum saboda halayensa na tsari, ƙirƙirar yawansa ƙarami ne, kawai 0.2 ~ 0.4g/cm3, yawan aluminum na ƙarfe sau 0.1-0.4, ban da ƙasa da aluminum gami, titanium gami,...
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