double quarter-turn的意思|示意

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双直角回转

double quarter-turn的网络常见释义

带有斜踏步的双直角转弯楼梯 带有斜踏步的双直角转弯楼梯 double quarter-turn 楼梯 stairs; staircase; stairway 上[下] 楼梯 ascend [descend] stairs; 爬了很多层楼梯 mount many stairs; 摔下楼梯 fall...