operating rate of blast furnace

例句：

1. 1.The company's operating rate has improved significantly since the implementation of new policies.
   自从实施新政策以来，公司的运营效率有了显著提高。
2. 2. The operating rate is a key indicator for measuring the effectiveness of a company's operations.
   运营率是衡量公司运营效果的关键指标。
3. 3. The operating rate is calculated by dividing the total number of units in operation by the total number of units in inventory.
   运营率是通过将正在运行的单位总数除以库存中的总单位数来计算的。