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单词 plug door
释义

Definition of plug door in English:

plug door

noun
  • A type of door (especially on a railway carriage or aeroplane) which provides a tight-fitting seal by plugging snugly into the doorway.

Origin

1920s.

Definition of plug door in US English:

plug door

noun
  • A type of door (especially on a railway carriage or aeroplane) which provides a tight-fitting seal by plugging snugly into the doorway.

Origin

1920s.

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更新时间:2024/9/21 11:19:08