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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


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更多 “ 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 supplyA.①②B.③⑥C.④D.④⑤ ” 相关考题
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