无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

Dirt in the fuel oil system of a diesel engine can cause （）.

A.clogged filters
B.poor combustion
C.overloading of the diesel
D.shock of fuel lines

你可能感興趣的試題

單項選擇題

Diesel oil may be used to cool （） of a diesel engine.

A.cylinders
B.exhaust valves
C.pistons
D.fuel valves

單項選擇題

Diesel engines are started by supplying （） into the cylinders in the appropriate sequence for the required direction.

A.fuel oil
B.diesel oil
C.compressed air
D.jacket water

<pre id="qd9pb"><strong id="qd9pb"></strong></pre>

<dl id="qd9pb"></dl>

<sup id="qd9pb"><legend id="qd9pb"><s id="qd9pb"></s></legend></sup>

<ins id="qd9pb"></ins>

<dd id="qd9pb"></dd>

<ins id="qd9pb"></ins>

<ruby id="qd9pb"><xmp id="qd9pb"></xmp></ruby>