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Which of the engine components listed increases air charge density and helps to improve engine operating efficiency?（）

单选题
2022-05-21 00:31
A、Intake manifold
B、Water-cooled exhaust system
C、After-cooler
D、Exhaust diffuser
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正确答案
C
试题解析
标签： 船舶电气与船舶安全
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