97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<abbr id="facam"><output id="facam"></output></abbr>

<dd id="facam"></dd>

<ruby id="facam"><output id="facam"></output></ruby>

單項選擇題

Distortion of the spray pattern of a nozzle or injector may be indicated by a/an（）

A.high firing pressure
B.overload of that particular cylinder
C.smoky exhaust
D.cooling water temperature rise

你可能感興趣的試題

單項選擇題

The rate of pressure rise during the period following fuel ignition in a diesel will result in （）

A.valve overlap
B.volumetric efficiency
C.turbulence of the air change
D.fuel efficiency

單項選擇題

Higher than normal temperature air passing through the intake of a diesel engine will result in（）

A.greater overall efficiency
B.greater fuel economy
C.lower horsepower
D.lower compression ratio

<pre id="p5jmy"><acronym id="p5jmy"></acronym></pre>

<dl id="p5jmy"></dl>