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

<blockquote id="eimn0"></blockquote>

<dl id="eimn0"></dl>

<ins id="eimn0"><tt id="eimn0"><b id="eimn0"></b></tt></ins>

單項(xiàng)選擇題

The crankshaft of diesel engine is supported by （）.

A.tension stretch
B.tie rods
C.through bolts
D.main bearings

你可能感興趣的試題

單項(xiàng)選擇題

The crankshaft is of the semi-built type, with the （） being shrunk into the forged or cast steel crank throws.

A.journal
B.crank-pin
C.main bearing
D.large end of connecting rod

單項(xiàng)選擇題

The crankshaft is of the semi built type, with the journal （） the forged or cast steel crank throws.

A.shrunk into
B.expanded into
C.extended into
D.designated into

<ruby id="7doyp"><output id="7doyp"></output></ruby>

<dd id="7doyp"></dd>