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

<pre id="5bk9e"><strong id="5bk9e"></strong></pre>

單項選擇題

Compressed air is supplied by air compression to （）.

A.the air receivers
B.the starting valves
C.the cylinder covers
D.the distributors

你可能感興趣的試題

單項選擇題

Charging-air pressure increases if there is incorrect combustion and drop in the （） of the diesel engine.

A.machine efficiency
B.machinery efficiency
C.mechanical efficiency
D.mechanics efficiency

單項選擇題

Charging is the filling of the engine cylinder with a supply or charge of fresh air （） compression.

A.to need
B.ready for
C.want to
D.going to be

<sup id="j75km"><small id="j75km"><div id="j75km"></div></small></sup><dd id="j75km"></dd>

<pre id="j75km"><strong id="j75km"></strong></pre>