单选题An after-cooler installed between the turbocharger and the cylinder air inlet （）Aincreases the density of the airBdecrease the density of the airCincreases the specific heat of the airDdecreases the specific heat of the exhaust
单选题
An after-cooler installed between the turbocharger and the cylinder air inlet （）
A
increases the density of the air
B
decrease the density of the air
C
increases the specific heat of the air
D
decreases the specific heat of the exhaust
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