外壳结构 meaning in Chinese

containment structure
shell construction

The frame structure is designed with safety in mind
车架外壳结构的设计，是时常与安全的思想在一起的。
Electric penetration assemblies in containment structures for nuclear power generating stations
核电站外壳结构的电气穿入组件
Electrical penetration assemblies in containment structures for nuclear power generating stations
核电站外壳结构的电气穿入件