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词汇 staircase lock
释义

Definition of staircase lock in English:

staircase lock

noun
  • A series of consecutive canal locks arranged so that the upper gate of one lock serves as the lower gate of the next.

Origin

Early 20th century; earliest use found in Automotor Journal.

Definition of staircase lock in US English:

staircase lock

noun
  • A series of consecutive canal locks arranged so that the upper gate of one lock serves as the lower gate of the next.

Origin

Early 20th century; earliest use found in Automotor Journal.

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