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oxyacetylene welding
el. 氧乙烘焊
el.mach. 块焊
met. 氧乙炔焰焊接; 炔焊接
oil 气焊
oil, transp. 氧乙炔焊接
space 氧乙炔焊
tech. 氧气乙炔焊; 氧化乙炔焰焊接; 氧乙炔焊接气焊 (法); 化炔; 气焊氧乙炔焰焊接; 氧-乙块焰焊按; 氧气乙块焰焊按; 氧块焊
oxyacetylene weld
met. 氧乙炔焊缝
oxyacetylene welding: 13 phrases in 6 subjects
Chemistry1
General1
Metallurgy4
Nautical1
Rail transport1
Technology5