A-A+
Scavenging on a diesel engine means _____.A.
问题详情
"Scavenging" on a diesel engine means _____.
A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:B