他们是淡水冷却系统和海水冷却系统。
They are fresh water cooling system and sea water cooling system.
船舶、海上平台的海水管路和海水冷却系统都面临受海生物污损的危害,严重时会堵塞管路,造成停机停产。
Ship, seawater pipe and cooling system of offshore platform both faced the problem of being polluted and damaged by marine organism. What's worse, it may clog pipe and stop production.
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