low grade bituminous coal

同义词释义

1)low grade bituminous coal,低级沥青炭2)low level,off-grade,低级，低级的3)low level language,低级语言，低级语4)low grade cotton,低级棉5)low-carbon-ester,低级醇酯6)Low carbon alcohols,低级醇7)low grade aldehyde,低级醛8)lower hydrocarbon,低级烃9)light olefin,低级烯烃10)Low grade,低级别