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

單項(xiàng)選擇題

Worn out ring grooves should be （） to standard dimension after being welded.

A.machined
B.bored
C.honed
D.drilled

你可能感興趣的試題

單項(xiàng)選擇題

With VIT unit the timing of fuel injection of an engine can be regulated automatically according to the （）.

A.ship draft
B.pitch
C.engine load
D.oil viscosity

單項(xiàng)選擇題

With VIT the start of injection may be （） as the engine load is reduced within a certain range.

A.advanced
B.retarded
C.relayed
D.cut off

<sup id="c2alz"><pre id="c2alz"><div id="c2alz"></div></pre></sup>