| 单词 | ignition timing |
| 释义 | ignition timing in Automotive Engineering (ɪgnɪʃən taɪmɪŋ) noun (Automotive engineering: Vehicle components, Engine, transmission, and exhaust) ignition , ignition , ignition , timing Ignition timing is the timing of the spark relative to the piston top dead center in a spark ignition engine. You can adjust the ignition timing to suit a fuel of a lower octane rating. The ignition timing ensures that the spark plug ignites the fuel at the optimum moment. If the ignition timing is set to 5 degrees before top dead center, the spark plug fires when the crankshaftis 5 degrees away from top dead center. |
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