问题
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Which of the substances listed is satisfactorily removed from the fuel by a centrifugal oil purifier?
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In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to _____.
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We use _____ to distill fresh water from sea water.
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The size of the discharge ring used for the efficient operation of a disk type purifier is dependent upon the ___.
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Immediately after starting a diesel engine, normal raw water and jacket water pressure are
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A centrifugal fuel oil purifier should be shut down if ________.A.more sealing water is ne