| 单词 | pelton, lester allen |
| 释义 | Pelton, Lester AllenPelton, Lester Allen(1829–1918) inventor, engineer; born in Vermillion, Ohio. During the California gold rush (1849), Pelton devised an improved undershot waterwheel powered by a jet of water striking pairs of hemispherical cups. Adaptations of Pelton wheels were used in the generation of hydroelectric power. |
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