In about a week, the cub will leave his protectiveenclosure to stay with his parents.
在大约一周的时间里，小雪豹将离开保护它的笼子与它的父母团聚。
2
VENT GUARD? Is a protectiveenclosure designed exclusively for the air release valve found in many public water supply systems.
通风口的保护外壳设计，专用于许多公用水供应系统中的空气释放阀。
3
Black zinc wraps over the upper level providing a protective metal clad enclosure perched on, and cantilevering beyond, the precast concrete wing walls below.