单选题A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the （）.AcamshaftBflywheelCcrankshaftDthrust shaft
单选题
A viscous damper, as used on a marine diesel, is a sealed precision built device which dampens the torsional vibrations in the （）.
A
camshaft
B
flywheel
C
crankshaft
D
thrust shaft
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