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

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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