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单选题
Theoretical perfect combustion in a diesel engine yields by-products of （）.
A
aldehydes and carbon dioxide
B
water vapor and carbon monoxide
C
nitrogen and carbon monoxide
D
water vapor and carbon dioxide
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Theoretical perfect combustion in a diesel engine yields by-products of_____.A.aldehydes and carbon dioxideB.water vapor and carbon monoxideC.nitrogen and carbon monoxideD.water vapor and carbon dioxide
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