air-acetylene torch空气: air; atmosphere乙炔焊: acetylene welding炬: torch氧乙炔焊炬: oxyacetylene welding torch乙炔焊炬: acetylene burner; acetylene welding torch下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:空气-乙炔焊炬,即可在微信中查询翻译