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竖井口

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  1. pit mouth
  2. collar of shaft
  3. shaft mouth

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conterminal, conterminous, contessa, contest, contestable, contestant, contestation, contestee, contests, context,

相似单词


竖放, 竖沟, 竖管, 竖铰链窗, 竖井, 竖井口, 竖锯, 竖框, 竖立, 竖立的,