Fresh water is used for the cooling of cylinder jackets and （） of the marine diesel engine.
举一反三
- （） 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.
- The marine diesel engine is a type of diesel engine used on ships The （） of its operation is not very difficult to understand.
- The pH value of water in a diesel engine closed cooling water system should be maintained between （）.
- A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water _____.
- The most serious effect of air trapped in a diesel engine jacket water cooling system is that it（）.