- acetylene apparatus
- acetylene welding outfit
- 乙炔焊: acetylene welding
- 设备: equipment; device; facility; ...
- 乙炔气焊设备: acetylene welding outfit
- 乙炔焊: acetylene welding; autogenous welding; autogenouswelding; gas welding
- 空气-乙炔焊炬: air-acetylene torch
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