题目内容
In the engine system, heat exchanger tubes are frequently attacked by sea water because of ( ) within the tubes causing pitting and eventual leakage.
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The cylinder jacket cooling water after leaving the engine passes to a sea water circulating cooler,( ) and then into the jacket water circulating pumps.
In a common sea water cooling system, from the sea suction one of a pair of sea water circulating pumps provides sea water which circulates the lubricating oil cooler, the jacket water cooler and the piston water cooler before( )
In an emergency situation, for example in the event of damage to a fresh water cooler or generator, the ( ) can be used to supply sea water to the fresh water cooling system.merely by removing the blind-flanges.
The function of lubricating oil is to( )
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