“断火”的拼音为：duàn huǒ...

“断火”的英语可以翻译为：cutoff，brennschluss ...

介绍了将氢氧焰断火技术应用于连铸坯切割的技术与经济性特点.Features of discrete hydro - oxygen flame cutting of cast billet were analyzed with economical and technical aspects....