staircase signal 梯形讯号...staircase n.楼梯,梯子,楼梯部分阶梯现...staircase generator 梯形产生器...staircase curve 阶梯状曲线...staircase phenomenon 阶梯现象...moving staircase 升降阶梯...staircase structure 阶梯结构...
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