常识“镴焊”是什么意思，起源、典故、生平简介及释义-历史文化

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常识	镴焊
释义	镴焊锡焊。以铅锡合金为焊料的焊接工艺，属软钎焊。发明于春秋时期，战国时进一步发展，沿用至今。曾侯乙尊、盘所用焊料含铅41.4％、锡53.4％、铜0.38％、铁＜0.01％。荆门包山战国鼎身部与鼎耳连接物含锡39.326％，铅51.434％、硅9.239％（污染所致）。均与近代锡焊料成分接近。
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