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字词 电弧
释义 电弧diànhú正负两电极接近到一定距离时所产生的持续的火花放电。电弧能产生高温、强光和某些射线,用于照明、焊接、炼钢等。{electric arc; continuous sparkling discharge when anode and cathode come within a close distance. The intense heat, light and certain rays produced by electric arc are used for lighting, welding and steel smelting.}
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更新时间:2025/6/5 6:52:11