On a large diesel engine installation, crankshaft axial alignment is maintained by the （）<br>A:piston rod guides<br>B:engine thrust bearing<br>C:crosshead bearing<br>D:main shaft flexible coupling

On a large diesel engine installation, crankshaft axial alignment is maintained by the （）
A:piston rod guides
B:engine thrust bearing
C:crosshead bearing
D:main shaft flexible coupling

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