caldron

Water seethed in the caldron.

水在大锅中翻滚。

The corrosion of reaction caldron in the aeroconcrete production is a difficult problem,it makes the service life of reaction caldron only half of the design life.

蒸致使反应寿命只有设计寿命一半左右,一直是困扰建材行业多年难题。