单选题With （）, the corrosion problems are much reduced in a central cooling system.Ano equipment in contact with sea waterBless equipment in contact with fresh waterCmore equipment in contact with sea waterDless equipment in contact with sea water
单选题
With （）, the corrosion problems are much reduced in a central cooling system.
A
no equipment in contact with sea water
B
less equipment in contact with fresh water
C
more equipment in contact with sea water
D
less equipment in contact with sea water
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