use a blowtorch
gas blowtorch
blowtorch flame
portable blowtorch
A: Do we have enough gas for the blowtorch?
A：我们的喷灯有足够的燃气吗？
B: Yes, the tank is full.
B：是的，气罐是满的。
1) 喷灯
2) 焊枪
1. 喷灯
noun
1. A device that produces a high-temperature flame, used for welding or soldering.