高炉造衬
blastfurnace lining repair
加热炉改造
rebuild of heating furnace
热风炉改造设计的探讨
Investigation on Hot-air Furnace Reworking Design
循环流化床锅炉改造
the alteration of circulating fluidized bed boiler
构造改造成矿作用
Structural reactivated mineralization
构造改造样式
structurally reworking pattern
焙烧炉炉面设备
contact equipment of anode baking furnace