亚洲欧美在线观看-污片在线观看-色多多导航-麻豆导航-国产无码精品一区二区-欧美a级大片-亚洲一区免费观看-久草综合视频-朴麦妮原版视频高清资源-伊人狠狠操-91丨九色丨海角社区-国产精品视频久久久久-天天色天-超碰在线亚洲-佐山爱av在线

 High temperature well type furnace is a national standard energy-saving periodic operation well type resistance furnace, with a maximum temperature of 1200 ℃ and a working temperature of 1200 ℃. It is mainly used for normalizing, annealing, quenching and other heat treatment of metal materials and mechanical parts such as alloy steel, high-speed steel, high manganese steel, high chromium steel, shafts, pipes, etc. in general atmosphere or simple protection. The power of the high-temperature well furnace is 15-4900KW; The diameter of the furnace is ¥ 300mm - ¥ 11m, and the maximum depth can reach 48m.