ash-free filter无: not have; there is not; be w ...灰: ash滤纸: filter paper定量滤纸: quantitative filter paper无灰滤纸: ashless filter paper; ashless filter-paper; filter paper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:无灰滤纸；定量滤纸，即可在微信中查询翻译
