... oxyacetylene gas cutting 氧乙炔气割 oxyacetylene flame cutting 氧乙炔焰切割 oxyacetylene cutting torch 氧快切割机 ...
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Welding and cutting in 1949, Beijing has geo-drilling, electric welding and cutting etc oxyacetylene flame manual operation.
焊接与切割1949年,北京已有气焊、电弧焊及氧乙炔火焰切割等手工作业。
If oxyacetylene flame or plasma is adopted, surface coat that can impact welding quality shall be removed after cutting.
当采用氧乙炔焰或等离子切割时,切割后必须除去影响焊接质量的表面层。
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