氧乙炔 yǎngyǐquē oxyacetylene Definitions Defs Origin Strokes Stroke Words Sentences Sents 氧乙炔炬 yǎngyǐquējù oxyacetylene torch an oxyacetylene torch氧乙炔焊 yǎngyǐquēhàn oxyacetylene welding 氧乙炔焊炬 yǎngyǐquēhànjù oxyacetylene torch