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词汇 case spring
释义

Definition of case spring in English:

case spring

noun
Watchmaking

  • Each of two springs in the hinged cover of a hunting watch, one that keeps it closed and one that causes the cover to fly open when the first spring is released by pressure on the cover.

Origin

Mid 19th century; earliest use found in U.S. Patents.

Definition of case spring in US English:

case spring

noun
Watchmaking

  • Each of two springs in the hinged cover of a hunting watch, one that keeps it closed and one that causes the cover to fly open when the first spring is released by pressure on the cover.

Origin

Mid 19th century; earliest use found in U.S. Patents.
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