常乐机考判断1-500

在用反平衡法计算锅炉效率时，由于汽温、汽压等汽水参数不参与计算，所以这些参数对锅炉用反平衡法计算出的效率无影响。

发布于 2021-03-24 04:13:07

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Royston Yuen 2023-03-24

浮游生物。身体短小不到1厘米。有一只眼睛却有着统治世界的野心

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