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单词 pulley check
释义

Definition of pulley check in English:

pulley check

noun
  • A device or structure which prevents the return of the cord of a pulley through the block.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.

Definition of pulley check in US English:

pulley check

noun
  • A device or structure which prevents the return of the cord of a pulley through the block.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.

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更新时间:2025/1/14 12:30:36