automation of blast furnace

例句：

1. 1. The new machine has a high degree of automation.
   这台新机器具有高度的自动化。
2. 2. The factory is fully automated, with no human intervention required.
   这家工厂是完全自动化的，不需要人工干预。
3. 3. Automation has greatly improved efficiency in many industries.
   自动化大大提高了许多行业的效率。