网站首页  词典首页

请输入您要查询的词汇：

　

词汇 paternoster pump
释义

Definition of paternoster pump in English:

paternoster pump

noun

  • A kind of chain-pump in which a succession of discs or rags is fixed to an endless chain that passes upwards through a tube whose lower end is in water, the discs or rags forming a seal against the tube so that they lift water up inside it.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.

Definition of paternoster pump in US English:

paternoster pump

noun

  • A kind of chain-pump in which a succession of discs or rags is fixed to an endless chain that passes upwards through a tube whose lower end is in water, the discs or rags forming a seal against the tube so that they lift water up inside it.

Origin

Late 19th century; earliest use found in Edward H. Knight (1824–1883), patent lawyer and expert in mechanics.
随便看

　

春雷网英语在线翻译词典收录了464360条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。

　

Copyright © 2000-2024 Sndmkt.com All Rights Reserved 更新时间：2024/12/27 23:41:59