在跨国文化交流与传播中，一定时期的文化主潮流向是由强势文化地区流向弱势文化地区。

In multinational cultural intercommunion and spreading, the main current of the culture tends to flow from the strong culture region to weak culture region in a certain period.

带3层面板的拉门设计将是下一下流行的主潮。 其它尺寸大小类似上面提到的转轴门。

Sliding doors with 3 panels sliding are the next popular. With similar dimensions to the above.