99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項(xiàng)選擇題

Stating a large propulsion diesel engine using diesel fuel during cold weather conditions can be made easier by （）

A.increasing the quantity of starting air
B.increasing the lube oil pressure
C.heating the engine fuel supply
D.heating the engine jacket water

你可能感興趣的試題

單項(xiàng)選擇題

Air in the fuel lines of a diesel engine can cause （）

A.ignition failure
B.oxygen corrosion of the fuel lines
C.the pistons to seize
D.blue smoke

單項(xiàng)選擇題

The condensers located in various stages of a flash evaporator are cooled by（）

A.distillate
B.seawater
C.brine
D.air

<sup id="u25jd"></sup>

<ins id="u25jd"></ins>

<ins id="u25jd"></ins>

<pre id="u25jd"><legend id="u25jd"></legend></pre>

<pre id="u25jd"><acronym id="u25jd"></acronym></pre>

<pre id="u25jd"></pre>

<ruby id="u25jd"><xmp id="u25jd"></xmp></ruby>

<pre id="u25jd"><strong id="u25jd"></strong></pre>