This paper analyzes the process of flushing, pressuring and boilingout of evaporation cooling system of converter, expounds some problems exiting in the design, and puts forward some solving methods.
分析了转炉气化冷却系统冲洗、试压及煮炉的过程，阐述了设计中存在的问题，提出了相应的解决办法。
2
A nearby volcano erupted violently, sending out a hail of molten rock and boiling mud.
一座附近的火山猛烈爆发，喷出大量熔岩和沸腾的泥浆。
《柯林斯英汉双解大词典》
3
These bubbles, each being a universe, pop in and out of existence like bubbles in boiling water.