For the Wartsila 50DF the complete combustion com
For the Wartsila 50DF, the complete combustion compared with the lean-combustion can decrease the following results ____ .①Exhaust temperatures ②NOx emissions ③Propeller efficiency ④Output ⑤Cylinder knocking ⑥Fuel supply
A.①②
B.③⑥
C.④
D.④⑤
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:C
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