單項選擇題

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

<tr id="mlhhw"><li id="mlhhw"></li></tr><table id="mlhhw"><menuitem id="mlhhw"><big id="mlhhw"></big></menuitem></table>

<samp id="mlhhw"><listing id="mlhhw"><dl id="mlhhw"></dl></listing></samp>