fine dust细: thin; slender粉尘: stive; dust超细粉尘: ultra fine dust; ultrafine dust细粉: fine grits; fine meal; fine powder; fines; powder细粉剂,细粉末: pulvis subtilis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:细粉尘,即可在微信中查询翻译