steel crucible

例句：

1. 1. The metallurgist uses a steel crucible to melt the ore.
   冶金学家使用钢坩埚来熔化矿石。
2. 2.The scientist poured the molten iron into the steel crucible.
   科学家将熔融的铁倒入钢坩埚中。
3. 3. The engineer tested the steel crucible for strength and durability.
   工程师测试了钢坩埚的强度和耐用性。