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单词 drum saw
释义

drum saw

noun
A saw in the form of a cylinder with a ring of teeth at one end, which is rotated to cut rounded pieces such as staves; also called barrel saw, tub saw.

Origin

Mid 19th century; earliest use found in Charles Holtzapffel (1806–1847), mechanical engineer and technical writer.

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更新时间:2025/1/3 21:20:43