目前，许多地方的档案馆、室都安装了密集架，但是对密集架中有关主要部分的称呼却不尽相同。如中国沈飞集团公司图书档案装具厂生产的密集架的主要部分的计量单位分别称之为列、节、层，而同样结构的密集架，沈阳沈飞档案装具厂却标识为列、连、层。有些单位又将“连”称为“ Currently, shelves are installed in archives and rooms in many places, but the main part of the shelves are not the same. For example, the measurement units of the major parts of the dense shelves produced by the Book and file equipment factory of China Shenfei Group are respectively referred to as columns, sections and floors, while the shelves of the same structure are located in Shenyang, Floor. Some units again called “company” as "