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

<dd id="fsfj2"></dd>

單項選擇題

Because the timing of injection is crucial, （） mounted on the camshaft, which is driven by the crankshaft are used to operate the fuel pumps, one of which is provided for each cylinder.

A.gears
B.rams
C.barrels
D.cams

你可能感興趣的試題

單項選擇題

Fuel has to be injected into the engine at a high pressure so that it （） correctly.

A.is purified
B.in timed
C.is compressed
D.atomizes

單項選擇題

Cylinder liners from older lower powered engines had a uniform wall thickness and the cooling was achieved by circulating cooling water through a space formed between （）.

A.crown and skirt
B.liner and jacket
C.ring and groove
D.jacket and block

<ruby id="f72ae"><xmp id="f72ae"></xmp></ruby>

<dl id="f72ae"></dl>