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There is （） in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition.

A、a setting tank

B、a service tank

C、a head tank

D、an expansion joint

时间：2022-01-04 06:32 关键词： 船舶动力装置 海船船员考试

答案解析

C