对铝基非晶合金的应用进行了评述。

The application of Al-based amorphous alloy was reviewed.

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同时，对铝及铝合金的焊接趋势进行了展望。

The development tendency of aluminium alloy welding is forecast as well.

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对铝及其他商品的需求旺盛，这让生产商获利颇丰。

One is that booming demand for aluminium and other commodities has kept all manufacturers profitable.

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So, it turns out that the majority of you got the correct answer, which is that it's aluminum.

从结果看大多数人,都做对了，答案应该是铝。

麻省理工公开课 - 化学原理课程节选