久久久久久人妻一区二区三区-激情久久AV一区AV二区AV三区-久久久久久久极品内射-精品少妇人妻AV一区二区

萬能百科  > 職業(yè)技能鑒定?  > 

Any increase in the exhaust back pressure of a four-stroke/cycle diesel enginewi

2021-05-07   

Any increase in the exhaust back pressure of a four-stroke/cycle diesel enginewill( ).

A.reduce engine horsepower output

B.aid in silencing the exhaust noise

C.increase the mean effective pressure

D.contribute to effective cylinder scavenging

詞條內(nèi)容僅供參考,如果您需要解決具體問題
(尤其在法律、醫(yī)學等領域),建議您咨詢相關領域?qū)I(yè)人士。

標簽