A.not taper what so ever
B.the skirt being tapered and smaller than the crown
C.the skirt being tapered and larger than the crown
D.the crown being tapered and smaller than the skirt
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A.dirt
B.fuel oil
C.governor cooling water
D.fuel oil tars
A.Sensitivity
B.Power
C.Speed droop
D.Compensation
A.excessive time required for warming-up
B.excessive freshwater corrosion
C.scale formation on the saltwater side
D.saltwater mixing with the freshwater
A.changes the position of the fuel inlet ports
B.changes the length of the pump stroke
C.varies the quantity of fuel delivered
D.varies the compression of the delivery valve spring
A.high fuel oil viscosity
B.low fuel oil temperature
C.high lube oil viscosity
D.energized glow plugs
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One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）
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