graphite造句

In graphite sheets, carbon atoms bond together in rings.
石墨层中的碳原子相互连接形成碳环。

Made from cast iron, it is finished in graphite enamel.
它是用铸铁制成，最后在外面搪了一层石墨。

A powerful electric current is passed through a piece of graphite.
给一块石墨通入强电流。

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