基本解释煤气吹管英汉例句双语例句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。