英语词汇“columnar coal”的翻译、意思、用法、释义-英汉汉英双解词典

单词	columnar coal
释义	columnar coal 柱煤；柱状节理煤
随便看	printing thickener printing time printing timer printing tipping base paper Printing tipping paper printing trade printing transmission density printing shop printing signal printing single types printing slurry printing smoothness print-ing smoothness printing software printing specimen printing speed printing speed adjustment printing spray printing printing sprocket drum printing station Printing Stationery printing stereos printing style printing subsystem printing surface