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單項選擇題

In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.

A.main bearings
B.sea water
C.cooling oil
D.lower temperature fresh water

你可能感興趣的試題

單項選擇題

In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.

A.fresh water
B.sea water
C.cooling oil
D.emulsion

單項選擇題

In a （） engine the charge of air in the cylinder before compression commences is above atmospheric pressure.

A.pressure charged
B.naturally aspirated
C.contaminated
D.high speed diesel