Minmum size: There are there optional widths of stairs and small size structure for your choice, to properly handle the conflict between tne flow of passengers and minimum space requirement.

 
  • 最小尺寸:三种不同梯级宽度的选择与小尺寸的结构相配合,妥善的处理好容流率与最小空间要求的矛盾。
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