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Thermocouple pyrometers are used on large, main propulsion diesel engines to indicate the temperature of the_______.

A.cooling water leaving each cylinder
B.fuel oil entering the injector
C.exhaust gases at various locations
D.lube oil at the bearing supplies

试题出自试卷《海船船员考试轮机部三管轮模拟题5(轮机英语)》

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