基本解释防湿层 [建] 防潮层同根派生 damp-proof course相关词英汉例句双语例句EN 14967:2006 Flexible sheets for waterproofing-Bitumen damp proof courses- Definitions and characteristics.防水用柔性薄板，沥青防潮层，定义和特性。damp-proof course更多例句词组短语短语Bituminous damp -proof courses 沥青防潮层damp-proof course更多词组专业释义土木建筑工程防潮层防水层