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单词 under-hammer
释义 ˈunder-ˌhammer
[under-1 5 b.]
In a pianoforte: (see quot. 1860).
1840[see hopper1 9].1845G. Dodd Brit. Manuf. IV. 160 The key acts on the ‘grasshopper’, and the ‘grasshopper’ on the ‘under-hammer’.1860Rimbault Pianoforte 396 Under⁓hammer, a hinged lever..to which the hopper is adjusted; used in upright pianofortes.
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更新时间:2024/12/22 13:56:54