题目内容

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

查看答案

搜索结果不匹配？点我反馈

更多问题

什么是自动稳定器？它们能否消除经济衰退？

当经济处于衰退时，美联储可以联邦基金率，这可以总需求，同时实际GDP。

A. 降低；增加；减少
B. 提高；减少；增加
C. 降低；增加；增加
D. 提高；增加；减少
E. 降低；减少；减少

when you do the watch keeping in the engine room ,what should you be careful

why is quick closing valves important to in engine room machineries ？how are