coal extracts煤: coal抽出物: extractive抽出物: aspirate; educt; extraction; extractive完全抽出物,原抽出物: total extract抽吸,抽出物,吸出物: aspirate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:煤抽出物,即可在微信中查询翻译