词典释义：
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烙铁
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焊壶；焊罐
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Before soldering, be sure to preheat components.
焊接前零件一定要预热。
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Wiring or soldering those would take several lifetimes.
焊接和连接这些晶体管需要好几辈子。
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Soldering temperature scale on panel for easy control.
焊接温度刻度在面板上，方便控制。
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Please follow "Reflow Soldering Conditions" in catalogue.
请遵守产品目录中的回流焊条件。
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Tin has replaced lead, which is more toxic, in a lot of soldering.
的确，锡已经取代了在焊接时会产生大量有害物质的铅的王者之位。 由于锡毒性较弱，它已在许多焊接过程中取代了铅。