英语词汇“maintenance echelon”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	maintenance echelon
释义	maintenance echelon 维护等级
随便看	settling sump settling tank settling-tank settling tant settling term settling test settling time settling tower settling tube settling up settling up cost settling vat settling velocity settling velocity analysis settling velocity diameter settling vessel settling zone settlor settlors settltment set-to set ... to set to setto set to do 勬勭勮勯勰勱勲勳勴勵 03186 03187 03188 03189 03190 03191 03192 03193 03194 03195