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单词
back-stone
释义
back-stone
Lead
Manuf.
[
back- A. 4.
]
The piece of cast iron at the back of an ore-hearth. (
Cf.
pipe-stone 2, work-
stone
, and fore-
stone
.)
1839
Ure
Dict.
Arts
756.
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更新时间:2026/2/28 4:55:17