乙炔焊 meaning in English

acetylene welding
autogenous welding
autogenouswelding
gas welding

Acetylene welding outfit
乙炔焊设备
Air acetylene welding
空气乙炔焊
Acetylene welding set
乙炔焊具
Specification for class ii oxy - acetylene welding of carbon steel pipework for carrying fluids
输送流体用碳素钢管道二级氧乙炔焊规范
Specification for class i oxy - acetylene welding of ferritic steel pipework for carrying fluids
输送液体用铁素体钢管道一级氧乙炔焊规范