英语词汇“bur、pump”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

bur-pump

释义

ˈburr-pump, ˈbur-pump Naut.
[f. bur, or burr n.¹ + pump.]
A form of bilge-pump with the piston so constructed as not to require a valve: see quot.
1627Capt. Smith Seaman's Gram. ii. 8 A Bur Pump. The Dutch men vse a Burre pumpe..wherein is onely a long staffe with a Burre at the end, like a Gunners spunge, to pumpe vp the Billage water that..cannot come to the well.1688R. Holme Armoury iii. 297/2 The Bur-Pump, or Bildge-Pump..The maner of these are to have a staffe 6, 7 or 8 foot long with a Bur of wood, where unto the Leather is nailed, this serveth in stead of a Box. And so two men standing over the Pump do thrust down this staffe, to the middle whereof is fastned a rope 6, 8, or 10 to hale by, and so they pull it up and down.1678–1706in Phillips.1721–90in Bailey.1755Johnson, Burr Pump.1867Smyth Sailor's Word-bk., Burr-pump, a name for the bilge-pump.1874Knight Dict. Mech. I. 412 Burr-pump,..in which a cup-shaped cone of leather is nailed by a disk (burr) on the end of a pump-rod, the cone collapsing as it is depressed, and expanding by the weight of the column of water as it is raised.

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