为什么不能将乏汽直接送入锅炉,而要经过冷却后再送入锅炉?效率不是下降了吗? 知乎 Template




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tomski为什么不能将乏汽直接送入锅炉,而要经过冷却后再送入锅炉?效率不是下降了吗? 知乎 coloring