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

词汇	thick coal bed
释义	thick coal bed 厚煤层
随便看	Gravelat gravel ballast gravel ballasting gravel bank gravel bar gravel barrel gravel beach gravel bed gravel bed filter gravel bedgravel base course gravel bedload gravel bed-load gravel-bed rivers gravel bike gravel bikes gravel blanket gravel-blind gravel board gravel bottoming gravelbourg Gravelbourg gravel box gravel business gravel by nature gravel car