cutting torch（割炬）是什么意思？音标发音+图解场景

割炬 /ˈkʌtɪŋ ˈtɔːtʃ/ n

English: cutting torch · 割炬

释义：Burning acetylene produces a very hot flame that can cut through metals such as steel.

这个词出现在以下图解场景（1）