“chain-pump”的英文意思

单词

chain-pump

释义

ˈchain-pump
A machine for raising water by means of an endless chain; most commonly the chain passes in its upward course through a tube, and raises the water by means of disks or valves which fit the tube; sometimes the chain has simply a number of buckets or cups, by which the water is lifted to the top and there emptied out.
a1618Raleigh Inv. Shipping 16 The Chaine pumpe, which takes up twice as much water as the ordinary did.1781Archer in Naval Chron. XI. 288 The chain pump was choaked.1830Marryat King's Own xix, He requires the chain-pumps to be manned.

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