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

<pre id="b0hhl"><acronym id="b0hhl"></acronym></pre>

<del id="b0hhl"></del>

單項(xiàng)選擇題

The A-frames carry the crosshead guides and support the engine （）.

A.foundation
B.seating
C.entablature
D.bedplate

你可能感興趣的試題

單項(xiàng)選擇題

Basically the bedplate consists of two （）, which run the length of the engine.

A.longitudinal girders
B.transverse girders
C.fore girders
D.aft girders

單項(xiàng)選擇題

The bedplate must be rigid enough to support the weight of the rest of the engine, and maintain the crankshaft, which sits in the bearing housings in the （）, in alignment.

A.longitudinal girders
B.transverse girders
C.fore girders
D.aft girders

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

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