石球的制造——石球热风炉试验——对设计和使用石球热风炉的建议及讨论石球热夙炉或称高路枯土球热夙炉。曾于1肠9年9月简在我院3m:i裁墩高力、里进行了试墩与应用[l〕。目前湖南等地亦有采川石球热夙沪代替管式热夙炉的,夙温也逐步提高 Stone ball manufacturing - stone ball stove test - on the design and use of stone ball stove recommendations and discussion stone ball heat furnace or high road earth hot pot furnace. In 1 intestine 9 years 9 months Jane in our hospital 3m: i cut pier high force, in the test pier and application [l]. At present, Hunan and other places have also adopted mining stone ball heat 夙 Shanghai instead of tubular heat 夙 furnace, 夙 Wen also gradually increased