英语词汇“封闭管道”的翻译、意思、用法、释义-英汉汉英词典

单词	封闭管道
释义	同暗管--封闭管道
随便看	witless witlessly witlessness witlessnesses witling witlings witloof witloof chicory witloofs wit-mfolozi white umfolosi r. witness witnessable witness against witness and documents, witness box witness-box witness chair witness corner witnessed witnesser witnessers witnesses witness for witnessing witness mark