spark advance
英
美
- advance n.前进；进展；预付金v.前进；预付；增长；推进adj.预先的；提前的
- spark vi.闪烁；冒火花；热情回应vt.激发；引起；向...求爱n.火星；朝气；情人；俗丽的年轻人
Noun:
-
the timing of ignition relative to the position of the piston in an internal-combustion engine
- The ignition-distributor vacuum-advance mechanism advances the spark during part-throttle operation.
分电器点火真空提前装置在节气门部分开启期间，使火花提前发出。
