最终研制出一种新型铸造铝合金。

Finally, a new cast aluminum alloy is developed.

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壳体采用抗氧化高强度铝合金铸造。

The shell made of anti-oxidate high strength aluminum alloy.

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壳体采用抗氧化高强度铝合金铸造。

The shell made of anti-oxidate high strength aluminum alloy.

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