arc-jet engine 
(ärkjĕt′)
(ärkjĕt′)n.
A rocket engine that operates by heating the propellant gas with an electric arc.
| 单词 | arc-jet engine |
| 释义 | arc-jet engine (ärkjĕt′)n. A rocket engine that operates by heating the propellant gas with an electric arc. |
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