A、to reduce heat stress
B、to reduce low temperature corrosion
C、to improve firing and starting performance
D、fuel saving
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A、to reduce heat stress
B、to reduce low temperature corrosion
C、to improve firing and starting performance
D、fuel saving
时间：2022-01-03 20:37 关键词： 船舶电气与船舶安全 水路交通运输技能考试 海船船员考试