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

<strong id="4flnd"></strong>

<dd id="4flnd"></dd>

<pre id="4flnd"><strong id="4flnd"></strong></pre>

<ruby id="4flnd"><xmp id="4flnd"></xmp></ruby>

<blockquote id="4flnd"></blockquote>

單項(xiàng)選擇題

The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a （）.

A.air bottle
B.air compressor
C.crank case
D.combustion chamber

你可能感興趣的試題

單項(xiàng)選擇題

The diesel engine is a type of （）.

A.turbine engine
B.gas turbine
C.steam engine
D.internal combustion engine

單項(xiàng)選擇題

The diameters of the crankpins should be measured using （）.

A.a micrometer
B.a bridge gauge
C.a spanner
D.a wrench

<dl id="l7thc"></dl><ruby id="l7thc"><xmp id="l7thc"></xmp></ruby>