When theatre will have dryer conditions, height of front layer will increase.As rings for Italian opening is sewn to front layer and lining, front layer will hang in lining at these points.

• 当将来剧场环境干燥一些时，面层高度将会增大，而由于用于意大利式开启的环已经缝于面层和衬里上，在这些缝有环的各点面层将悬挂在衬里上。