torch arm焊炬: blow-pipe; torch; welding to ...臂: arm焊炬: blow-pipe; torch; welding torch; welding blow pipe; welding blow lamp◇焊炬喷嘴 torch-tip火炬臂: flare boom; flare stack焊炬保: torch shield gas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:焊炬臂，即可在微信中查询翻译
