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【单选题】
.把压缩上止点作为点火提前角计算基准点的点火系统,实际最佳点火提前角等于( )。A.
初始点火提前角+基本点火提前角+点火提前角修正值
B.
基本点火提前角+点火提前角修正值
C.
初始点火提前角+基本点火提前角
D.
初始点火提前角+点火提前角修正值
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