During Christmas everybody treads on air.
圣诞节期间每个人都喜气洋洋。
During Christmas everybody treads on air.
圣诞节期间每个人都喜气洋洋。
1,a new mathematical model for heat loss due to exhaust gas of CFB boiler with considering the effect of desulfurater on air capacity,gas capacity and steam capacity is deduced.
排烟
损失是锅炉最大的
损失,对锅炉
率有很大影响。
：
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