steam cooled slag

例句：

1. 1. The steelmaking process involves the use of a large amount of water to cool down the molten iron before it can be shaped into steel.
   炼钢过程涉及使用大量水来冷却熔化的铁，使其在形成钢铁之前能够被塑造。
2. 2. In the foundry, the steam-cooled slag is used to remove impurities from the molten metal.
   在铸造厂，蒸汽冷却的熔渣用于从熔化的金属中去除杂质。
3. 3. The slag was removed by a team of skilled operators who had learned to control the temperature and flow rate of the steam.
   由一群熟练的操作员组成的团队通过控制蒸汽的温度和流量来移除熔渣。