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峨眉县食品公司城区屠场,自行设计,修建“轨式热风循环炕”一座。工作原理是:炕房外一炉灶的上部装有φ51mm锅炉钢管64根,煤火加热钢管,用排风扇
Emei County Food Company Urban Slaughterhouse designed and built a “rail-type hot air circulation system”. The working principle is: the upper part of a stove outside the mortuary is equipped with 64 pipes of φ51mm boiler tubes, coal fired heating steel pipes, and exhaust fans.