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Which of the following reasons represents why the designed compression ratio of a gasoline engine is lower than that of a diesel engine?

单选题
2022-06-28 14:38
A、compression must be low for effective spark ignition
B、compression must be low for required horsepower and torque generation
C、compression must be low to prevent pre-ignition
D、compression must be low to have effective pre-ignition
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正确答案
C
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