acetylene torch短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 氧乙炔炬,乙炔炬,乙炔燃烧器乙快焊炬 “ What really excites me, in the old days, we had to do everything by hand,” he said. “ We had a hacksaw and a chisel and an acetylene torch.” “以前，最让我激动的是我们不得不自己动手做所有的事情，”他说：“我们有一把钢锯，一把凿子和一盏喷灯。” yeeyan