crucible stool

例句：

1. 1.The scientist used a crucible stool to heat up the metal samples.
   科学家使用坩埚座加热金属样本。
2. 2. The engineer designed a new crucible stool for the factory's furnace.
   工程师为工厂的炉子设计了一种新型的坩埚座。
3. 3.The crucible stool was made of high-quality steel and had a durable construction.
   坩埚座由高质量的钢材制成，结构坚固耐用。