单选题If you increase the clearance between a valve stem and rocker arm, which of the listed condition will occur?（）Avalve will open laterBvalves will close laterCamount of fuel injected will be increasedDamount of fuel injected will be decreased
单选题
If you increase the clearance between a valve stem and rocker arm, which of the listed condition will occur?（）
A
valve will open later
B
valves will close later
C
amount of fuel injected will be increased
D
amount of fuel injected will be decreased
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