汉英词典
Chinese-English Dictionary
MEANING OF 电弧
电弧 (電弧)
electric arc
〈名〉正负两电极接近到一定距离时放电所产生的持续的白色弧光。电弧能产生高温、强光和某些射线,用于照明、焊接、炼钢等。
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