Lead frames, especially those made of copper alloys, are among the most important parts for electronic IC devices.

引线框架材料是电子工业不可或缺的重要组成部分，而铜合金框架材料又占其中的大部分。

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Lead frames, especially those made of copper alloys, are among the most important parts for electronic IC devices.

引线框架材料是电子工业不可或缺的重要组成部分，而铜合金框架材料又占其中的大部分。

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