基本解释[土木建筑工程]封闭楼梯间英汉例句双语例句Both a staircase and a lift connect the two floors with an enclosed terrace on the roof.通过一道楼梯和一台电梯连接两层楼和封闭的屋顶平台。词组短语短语fully -enclosed staircase 全封闭楼梯间专业释义土木建筑工程封闭楼梯间