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

<strong id="rdocz"></strong>

<cite id="rdocz"><strong id="rdocz"><div id="rdocz"></div></strong></cite>

<ruby id="rdocz"></ruby>

<ruby id="rdocz"><small id="rdocz"></small></ruby>

<blockquote id="rdocz"></blockquote>

單項選擇題

Be sure to make the engine turn by （） before starting and after stopping .

A.steering gear
B.turning gear
C.steering wheel
D.turning cycle

你可能感興趣的試題

單項選擇題

At the top of the A-frames there is a strong cast iron frame called （）.

A.cylinder liner
B.cylinder cover
C.the gear box
D.the scavenging box

單項選擇題

At least （） cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.

A.6
B.2
C.12
D.8

<ruby id="px9cm"><xmp id="px9cm"></xmp></ruby>

<abbr id="px9cm"><output id="px9cm"><blockquote id="px9cm"></blockquote></output></abbr>