| 单词 | pump barrel |
| 释义 | > as lemmaspump barrel pump barrel n. the cylinder or tube of a pump. ΚΠ 1718 J. T. Desaguliers tr. E. Mariotte Treat. Hydrostaticks ii. 104 Let there be a smooth Pump-Barrel of 20 Foot, having above the 20 Foot a Piston of the same bigness. 1886 Sci. Amer. 18 Sept. 185/2 The pressure of the foot on the side of the pump barrel expels the air through the discharge valve. 1997 Lloyd's List (Nexis) 6 Nov. 6 Argina technology is superior to most rival..oils in preventing..sticking caused by the formation of lacquer on the pump barrel. < as lemmas |
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