scale of pollution污染: pollute; contaminate标度: scale; dial; division城市空气污染标度: urban scale of air pollution防污染标准: anti pollution standard; anti-pollution standard抗污染标准: anti-aeration standard; anti-pollution standard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:污染标度,即可在微信中查询翻译