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

<ruby id="oem73"><xmp id="oem73"></xmp></ruby>

<sup id="oem73"><legend id="oem73"><div id="oem73"></div></legend></sup>

單項(xiàng)選擇題

The abbreviation TDC means （）.

A.top dead center
B.temperature difference center
C.time delay dock
D.top diesel company

你可能感興趣的試題

單項(xiàng)選擇題

The abbreviation BDC means （）.

A.Boston Diesel Company
B.base circle diameter
C.switch board case
D.bottom dead center

單項(xiàng)選擇題

The （） in the injector will lift at a pre-set pressure which ensures that the fuel will atomize once it enters the cylinder.

A.needle valve
B.nozzles
C.piston
D.spring

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

<ruby id="ozaxj"><small id="ozaxj"><sup id="ozaxj"></sup></small></ruby>