| 单词 | electric arc |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔arc welding〕Welding that uses an electric arc to provide heat.电弧焊：用电弧加热的焊接美国传统〔arc-jet engine〕A rocket engine that operates by heating the propellant gas with an electric arc.电弧喷射发动机：火箭引擎，通过用电弧加热推动气体而运行美国传统〔flashover〕An unintended electric arc, as between two pieces of apparatus.飞弧：如在两块器械之间产生的一道随意性的电弧美国传统 |
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