正确答案: D
The fresh water
题目:() is used for cylinder and cylinder head, the salt water is used for cooling the lubricating oil, the fresh water in the coolers and the charging air in the air cooler.
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学习资料的答案和解析:
[单选题]() supplies pilot air to control the cylinder air start valves.
An air distributor
[单选题]To counteract these undesirable effects cylinder oils usually contain additives formulated to impart a high degree of () and detergency.
alkalinity