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单词 ton-fathom
释义

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ton-fathom
ton-fathom n. the equivalent of the work done in raising a ton through the depth of a fathom, as in the shaft of a mine.
ΘΠ
the world > movement > motion in a certain direction > upward movement > raising > [noun] > taking or lifting up > a ton through the depth of a fathom
ton-fathom1874
1874 J. H. Collins Princ. Metal Mining (1875) xiii. 77 About 1-50th of a penny per ton-fathom, or less.
extracted from tonn.1
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更新时间:2025/1/24 13:32:57