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问题详情

Which of the following items is necessary for all waste heat boiler installations, regardless of design or manufacturer? （）

A、Control of evaporation

B、A separate means to prevent feed-water contamination

C、Power circulating pump

D、Super-heater

时间：2022-01-03 02:53 关键词：船舶辅助机械

答案解析

A

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