The utility model relates to a discharging device for gas inside an annealing furnace, in particular to a leak-proof heat exchanger of the annealing furnace.
本实用新型涉及退火炉内气体排放装置，尤其涉及退火炉防漏热交换器。
The utility model relates to a discharging device for gas inside an annealing furnace, in particular to a leak-proof heat exchanger of the annealing furnace.
本实用新型涉及退火炉内气体排放装置，尤其涉及退火炉防漏热交换器。
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