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柴油机混合加热循环,若要提高其热效率,应在一定范围内适当采用措施( )

单选题
2021-09-01 22:34
A、增加压缩比,减小升压比和预胀比
B、增加压缩比和升压比,减小预胀比
C、增加升压比,减小压缩比和预胀比
D、增加压缩比和预胀比,减小升压比
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正确答案
B

试题解析

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