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。
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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