| 单词 | ignition advance |
| 释义 | > as lemmasignition advance ignition advance n. the extent to which the moment when the spark occurs precedes the moment of greatest compression of the mixture in a cylinder of an internal-combustion engine, usually expressed in terms of the angle between the two corresponding positions of the crank-shaft. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > ignition > ignition advance advance1900 ignition advance1908 1908 H. E. Wimperis Internal Combustion Engine viii. 282 It is permissible to set the ignition to take place..slightly before the dead centre... This reduces the arc of ignition advance throughout which the magneto is called upon to generate an effective spark. 1946 A. W. Judge Mod. Petrol Engines ii. 32 For weaker mixtures the flame rates are lower so that a greater ignition advance is necessary than for correct or slightly rich mixtures. < as lemmas |
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