tap a blast furnace

• 出铁

tap a blast furnace的用法和样例：

例句

1. They have started tapping the new blast furnace.
   新炉出铁了。
2. Since the SiC brick was applied , the life of taphole and lining on the furnace was prolonged.
   应用碳化硅砖后，延长了出铁口及整个炉衬的使用寿命。