ashless pitch无: not have; there is not; be w ...灰: ash焦油: tar; pez; goudron; coke tar无灰焦: free ash coke; free-ash coke无灰焦碳: ash-free coke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:无灰焦油，即可在微信中查询翻译
