windbore

名词 n.
中文释义

英文释义

名词 n.
  1. The lower, or bottom, pipe in a lift of pumps in a mine.
    — A large stone, 18 inches thick, is bedded at the bottom of the shaft, for the windbore of the bucket pump to rest upon. The remainder of the shaft bottom is filled in with hard burnt bricks and Barrow lime, forming a level bottom […]

词形变化

windbores plural

词源

From wind + bore.
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