英语单词“chestnut coal”的翻译、意思、用法、释义-英汉词典

单词	chestnut coal
释义	chestnut coal1.■【地质学】栗级无烟煤[亦称作 nut coal]
随便看	ground itch ground ivy ground joist groundkeeper ground landlord ground-launched ground-launched cruise missile ground layer groundless ground level groundling ground log ground loop ground loop current ground lug ground magnetic survey groundman groundmass ground meristem ground mine ground moraine ground nadir ground noise ground-note groundnut