單項(xiàng)選擇題

Bearing knocks are likely to occur from （）.

A.less clearance
B.dirty lube oil
C.overload
D.bearing wear

你可能感興趣的試題

單項(xiàng)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

單項(xiàng)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

感谢您访问我们的网站，您可能还对以下资源感兴趣：

国产黄色视屏

视频一区二区无码制服师生国产三级香港三级人妇国产码一区二区在线观看国产伦精品一区二区三区免费观看

<mark id="wyqbb"></mark>

<rp id="wyqbb"><acronym id="wyqbb"></acronym></rp>