喷射器是一个由管道和喷嘴组成的系统,它可以使较低压力的流体通过管道进入压力较高的区域。它只有一个控制入口的阀门。蒸汽喷射器就是一个典型的喷射器,它利用锅炉自身产生的蒸汽或废气向锅炉输送冷水[1]

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用于蒸汽机车的喷射器

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