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单词 dynagraph
释义 dy·na·graph
\ˈdīnəˌgraf, -rȧf\ noun
(-s)
Etymology: Greek dynamis power + English -graph
: an apparatus in a railroad car for recording the condition of a line of track, the resistance of a train, its speed, and other features of its performance
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更新时间:2025/1/27 20:43:58