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单词 pneumatic caisson
释义

Definition of pneumatic caisson in English:

pneumatic caisson

noun

  • A caisson that can be sunk by extracting some of the air from within, and from which water can be subsequently evacuated by means of compressed air, enabling work to take place on the bed of a river, etc.

Origin

Mid 19th century; earliest use found in New York Herald Tribune.

 
 

Definition of pneumatic caisson in US English:

pneumatic caisson

noun

  • A caisson that can be sunk by extracting some of the air from within, and from which water can be subsequently evacuated by means of compressed air, enabling work to take place on the bed of a river, etc.

Origin

Mid 19th century; earliest use found in New York Herald Tribune.

 
 
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更新时间：2025/11/4 20:55:14