| 单词 | pump chain |
| 释义 | > as lemmaspump chain pump chain n. now rare the chain of a chain-pump, on which the discs, buckets, etc., are fitted. ΚΠ a1661 R. Bargrave Trav. Diary (1999) 108 The Consul enterteind him in the Pump-chaines & such other welcomes befitting so worthy a Guest. 1809 W. Nicholson Brit. Encycl. V. at Pump Pump chain, consists of a long chain, equipped with a sufficient number of valves,..which working upon two wheels, one above and the other below, passes downward through a wooden tube, and returns upward through another. 1853 Trans. Michigan Agric. Soc. 4 108 Lot of pump chain and tubes, of galvanized iron. 2006 H. D. Yearns Depression Kid 50 There were..kegs lined along the counter with nails and staples, and the one I sat on had pump chain in it. < as lemmas |
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