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

词汇	protective coal seam
释义	protective coal seam 基本例句保护层 The glass window had a protective overcoat applied to it.玻璃窗涂有一层保护层。 All buried lines are coated with a protective covering to save them from corrosion.所有埋设的管道必须涂上保护层，以防生锈腐蚀。
随便看	soil and stone material soil and stone pattern Soil and stream sediment soil and structure interaction soil and structure interface soil and underground water pollution soil and vegetation soil and vent pipe soil and water soil and water action soil and water concervation soil and water conservaion soil and water conservancy soil and water conservancy plant soilandwater conservation soiland water conservation soil and water conservation soil-and-water conservation soil and water conser-vation soil and water conservation action soil and water conservation benefit soil and water conservation benefits soil and water conservation construction soil and water conservation development soil and water conservation districts