Blowtorch:a portable burner for mixing gas and oxygen to produce a very hot flame, used for soldering, welding, and glass blowing.
Blowtorch:a portable burner for mixing gas and oxygen to produce a very hot flame, used for soldering, welding, and glass blowing.
喷灯:使混合气体和氧气产生更炽热火焰的便携助燃剂,常用于接合、焊接和玻璃吹制。