单选题Overgreasing of ball bearings installed on pumps will result in （）.Asmoother pump operationBoverheating of the bearingCreduced corrosion in the bearingDincreased pump capacity
单选题
Overgreasing of ball bearings installed on pumps will result in （）.
A
smoother pump operation
B
overheating of the bearing
C
reduced corrosion in the bearing
D
increased pump capacity
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