blast furnace well

例句：

1. 1.The blast furnace well is a critical component of the steelmaking process.
   高炉井是钢铁生产过程的关键组成部分。
2. 2. The well was drilled deep into the earth to access the mineral deposits.
   这个井被钻得非常深，以便到达矿藏。
3. 3.The engineer carefully inspected the blast furnace well before starting the operation.
   工程师在开始操作之前仔细检查了高炉井。