短語詞組短語enclosed staircase [建]封閉樓梯間;樓梯間;防煙樓梯間;封閉樓梯間staircase method 階梯法Grand Staircase 大階梯;大樓梯;主樓梯間;正面大樓梯Modern Staircase 懸空的樓梯staircase iteration [數(shù)]階梯迭代staircase deflection 階梯式偏移staircase tower 樓梯塔;樓梯間塔樓glacial staircase 冰谷階地;冰階spiral staircase n . 螺旋梯 返回 staircase