The secondary aluminum industry is a silver money bay.

再生铝工业是一棵长青的摇钱树。

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Aluminum and its alloy with decorate ceramic oxide coating were developed by secondary oxidation process in sulfa-salicylic acid bath and an organic acid bath.

对铝及铝合金在磺基水杨酸槽液中及另一有机酸槽中进行二次氧化，获得了装饰效果良好的瓷质氧化膜。

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The calcination and secondary acid leaching process were used to remove iron and aluminum in the pyrite tailings in the tests.

试验采用了煅烧、二次酸浸工艺，进行硫铁尾矿酸浸除铁和铝试验。

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As industries like the automotive sector rebound, the demand for primary and secondary aluminum metal also has risen.

FORBES: Ali Conf: Consumer Electronics Use Of Aluminum Growing Strongly - Alcoa

Those secondary assets might include things like aluminum packaging and panels for cars and aircraft, The Times said.

FORBES: Blackstone A Desirable Partner For BHP's Expansion