短語詞組短語atomic -hydrogen arc welding 原子氫銲hydrogen -oxygen flame welding 氫氧焰銲atomic hydrogen -welding electrode 原子氫銲電極air -hydrogen welding 空氣;氫銲接oxy -hydrogen welding 氫氧銲接;氫氧銲;氫氧焰銲接;氫氧熔接OHWoxy -hydrogen welding 氫氧銲low -hydrogen welding electrode 低氫型電銲條 返回 hydrogen-welding