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单词 pack wall
释义

Definition of pack wall in English:

pack wall

noun
Coal Mining
  • A pack in the form of a wall.

Origin

Mid 19th century; earliest use found in Warington Smyth (1817–1890), mining engineer and geologist.

 
 

Definition of pack wall in US English:

pack wall

noun
Coal Mining
  • A pack in the form of a wall.

Origin

Mid 19th century; earliest use found in Warington Smyth (1817–1890), mining engineer and geologist.

 
 
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更新时间:2024/12/23 14:33:11