问题
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Sludge formation in a diesel engine lube oil system is caused by________.A.carbonization o
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Dirt in a fuel oil system of a diesel engine can cause __________.A.damage to strainersB.o
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The most common cause of lowering the crankcase lube oil flash point is _____.A.more water
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When centrifuging heavy fuel oil, an important factor to consider is the _____(1) flow rat
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It can be inferred from Paragraph One that Boeing and Airbus______.A.have not suffered fro
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It may not______high income, but it can make them feel proud.A.takeB.affordC.causeD.bring
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