quantity of slag

例句：

1. 1. The amount of slag in the furnace is crucial for the quality of steel production.
   炉中炼钢渣的数量对钢铁质量至关重要。
2. 2.The quantity of slag in the furnace affects the efficiency of the steel production process.
   炉中炼钢渣的数量影响钢铁生产过程的效率。
3. 3. The amount and quantity of slag in the furnace need to be carefully controlled to ensure the quality of steel production.
   炉中炼钢渣的数量需要严格控制，以确保钢铁质量。