oxy welding 乙炔焊接

oxy-acetylene welding 氧乙炔焊接 ; 氧乙炔焊

oxy-hydrogen welding 氢氧焊接 ; 氢氧焊 ; 氢氧焰焊接 ; 氢氧熔接

oxy-arc welding 氧弧焊

oxy-accetylene welding 氧乙炔焊接

oxy-fuel gas welding 氧燃料气焊接

Oxy-acetylene Welding Glass 风煤焊镜

Oxy-fuel welding 可燃气焊接

oxy-acetylene welding appliance 氧乙焊接工具