螺旋楼梯 SPIRAL STAIR ; screw stair ; winding staircase ; spiral staircase

螺旋楼梯中柱 solid newel

有中柱的螺旋楼梯 newel stair

螺旋楼梯保护器 PROTECTOR FOR SPIRAL LADDER

螺旋梯中柱楼梯栏杆柱 newel

金属螺旋楼梯 metal spiral stair

螺旋形楼梯 Spiral Staircase ; winding stair ; spiral stairway ; [建] helical stair

双螺旋楼梯 double spiral staircase

螺旋式楼梯 spiral stair ; winding stairs ; [建] helical staircase

钢螺旋楼梯 steel helical stair