closed string stair – phrases

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Terms containing closed string stair | all forms | in specified order only

Subject	English	Chinese
tech.	closed stair string	封闭式楼梯斜梁
tech.	closed string stair	封闭式踏板楼梯
tech.	closed string stair	遮盖的楼梯梁
tech.	closed string stair	封闭式斜楼梯梁
tech.	closed string stair	斜梁有侧板的楼梯