interior post type container

例句：

1. 1. The new design of the internal post type container has greatly improved its efficiency.
   新型的内部邮政类型容器极大地提高了其效率。
2. 2.The company has launched a new internal post type container to improve customer service.
   该公司推出了一种新的内部邮政类型容器，以提高客户服务。
3. 3. The internal post type container is designed to protect the contents during transportation.
   内部邮政类型容器被设计用来在运输过程中保护内容。