问题
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Scuffed cylinder liner wearing surfaces in a diesel engines can result from ________.
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Visual inspection of chrome-plated piston compression rings reveals a black ring face at the position of the cylinder liner portsThis condition indicates a ring which .
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Valves in the cylinder head of a diesel engine are opened by the direct action of the ____
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Which of the listed cylinder liner surface conditions indicates proper lubrication?A.Dull
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Which of the diesel engine cylinder liners listed has internal cooling water passages?A.In
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Cylinder liner cooling is often referred to as _____.A.piston coolingB.sleeve coolingC.cen
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