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| 单词 | Kettering, Charles Franklin |
| 释义 | Charles Franklin Kettering/ˈkɛtərɪŋ / (1876–1958), American automobile engineer. His first significant development was the electric starter (1912). As head of research at General Motors he discovered tetraethyl lead as an anti-knock agent and defined the octane rating of fuels; he also did important work on diesel engines, synchromesh gearboxes, automatic transmissions, and power steering. |
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