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overcoil
释义
WordReference Random House Unabridged Dictionary of American English © 2024
o•ver•coil
(ō
′
vər koil′),
USA pronunciation
n.
[
Horol.
]
a fixed end of a spiral hairspring, consisting of an upwardly and inwardly bent continuation of the outermost coil of the spring: used to offset the asymmetry of the common spiral spring when tight, which impairs isochronism.
a hairspring having such a fixed end.
over
- +
coil
1
1880–85
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更新时间:2025/11/22 13:59:00