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| 单词 | oil pump |
| 释义 | > as lemmasoil pump oil pump n. ΚΠ 1769 J. Watt Let. Mar. in J. P. Muirhead Origin & Progress Mech. Inventions J. Watt (1854) I. 50 The oil-pump, which returned the oil constantly to the piston. 1856 Putnam's Monthly Mag. Aug. 207/2 Innumerable specifications for burners, oil-cisterns, oil-pumps, oil-pump valves, [etc.]. 1929 Times 2 Nov. 4/7 The oil pump, driven by skew gear from the camshaft, is in the sump. 1991 Constr. News 26 Sept. 18/1 Stronger Pistons are used, the cylinder head water jacket has improved cooling and the water and oil pumps are uprated. < as lemmas |
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