| 单词 | bull-pump |
| 释义 | > as lemmasbull-pump bull-pump n. (see quot.). ΘΚΠ society > occupation and work > equipment > pump > [noun] > other types of pump bottom lift1778 rose pump1778 centrifugal pump1789 jack-heada1792 jet pump1850 sand-pump1865 Union pump1867 shell-pump1875 eductor1877 brake-pump1881 bull-pump1881 cam-pumpa1884 sand-reel1883 grasshopper1884 knapsack pump1894 knapsack sprayer1897 turbo-pump1903 Sylphon1906 slush pump1913 displacement pump1924 power pack1937 proportioner1945 solids pump1957 peristaltic pump1958 powerhead1981 Cornish pump- 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 113 Bull-pump (Cornwall), a direct single-acting pump...The steam lifts piston and pump-rods, and the weight of these makes the down-stroke. < as lemmas |
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