Hollow box structure的意思|示意

Larynx (or voice Box) : Hollow, tubular structure connecting the pharynx with the trachea, through which air passes on the way to the lungs.

喉(亦称音箱)：连接咽部和气管的中空管状结构，空气经过它而进入肺部。

The utility model discloses a mold for making thin-wall box for filling cast-in-situ concrete, which comprises a main body with a single-side-opened hollow square body structure.

本实用新型公开了一种制作现浇混凝土填充用薄壁盒的模具，其主体为 单面开口的空心方体结构；

The author recommends a brand new long-span bridge structure in high intensity earthquake areas—consecutive box girder rigid frame bridge with hollow abdomen.

对于高烈度地震区大跨桥梁的设计推荐了一种全新的桥式方案——空腹式箱梁连续刚构，该结构是钢管桁架和预应力混凝土板的组合结构。