A.higher
B.lower
C.the same
D.none of the above
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A.the piston rods
B.the crank throws
C.the thrust bearings
D.the main bearings
A.angled
B.rounded
C.being angled
D.being rounded
A.the running-in period
B.the running process
C.gas exchange process
D.the boiler firing
A.bending joint
B.expansion tank
C.weld
D.the highest point
A.Finished with Engine
B.Stop the Engine
C.Stand-by Engine
D.Slow-down Engine
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