多宝冲天炉是本市鑄造工作者在党的正确领导下經过不断的技术革新、技术革命而发展出来的新型化铁炉,目前本市杨清区各厂都在实际使用。由于它是新生的产物,而且尚在发展,全国各省市的鑄造工作者对各“宝”都有不同的看法。为了貫彻学术爭鸣,使它不断充实提高,故将本文发表,希大家来討論。 Duobao Cupola is the city foundry workers under the correct leadership of the party through continuous technological innovation, technological revolution and the development of a new type of iron stove, the city Yangqing District, the actual use of the plant. Because it is a product of new students and still under development, the foundry workers in various provinces and cities all over the country have different views on each treasure. In order to carry out the academic debate, make it constantly enrich and improve, it will be published in this article, I hope everyone to discuss.