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单词 chase-mortice
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chase-mortice
chase-mortice n. (from 4) ‘a long mortise cut lengthwise in one of a pair of parallel timbers, for the insertion of one end of a transverse timber by making the latter revolve round a centre at the other end, which is fixed in the other parallel timber’ (Gwilt).
ΚΠ
1823 P. Nicholson New Pract. Builder 119 These long mortises are called pulley-mortises, or chase-mortises.
1833 J. Holland Treat. Manuf. Metal II. 251 On the top of these crank shafts are moving crank heads, with a chase mortice in each.
extracted from chasen.3
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更新时间:2025/1/11 13:38:56