This is called 'nesting or cocooning '.

这被叫做鸟槽或茧。

This is called nesting or cocooning.

这被称作“筑巢”或“结茧”。

The technique of comprehensive cocooning can keep the cocooned from rusting for 2-5 years.

综合封存技术可以保证被封存件2～5年不生锈。

To cut expenses, consumers are going out less, a phenomenon retail analysts call cocooning.

为了节省开支，人们会减少外出的机会，零售分析人员把这种现象叫做蚕居，指像蚕一样蛰居在保护层内的现象，蚕居族是为了节省开支。

The technique of comprehensive cocooning can keep the cocooned from rusting for 2 - 5 years.

综合封存技术可以保证被封存件2 ～ 5年不生锈.