山東桂祥供應鋁棒
2024-12-16
鋁（Al）是一種輕金屬，其化合物在自然界中分布極廣，地殼中鋁的資源約爲400～500億噸，僅次於氧和硅，居第三位。在金屬品種中爲靠前大類金屬。鋁具有特殊的化學、物理特性，不僅重
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