metallurgical fume emission冶金: metallurgy尘雾: dust fog排放: discharge; blowoff; blowdown ...冶金尘雾: metallurgical fume尘雾排放: fume emission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:冶金尘雾排放,即可在微信中查询翻译