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The museum's restored Cornish engine rhythmically lifted the heavy pump rod that once drained the mine.
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The museum's restored Cornish engine rhythmically lifted the heavy pump rod that once drained the mine.
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Related words
Cornish engine
Noun
Japanese Meaning
鉱山で水を汲み上げるために使用される、横梁エンジンの一種。重いポンプロッドまたはプランジャーが蒸気によって上昇し、下降時の重さにより水を押し上げる仕組みである。
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