ceiling capacity

例句：

1. 1. The room has a ceiling capacity of 20 people.
   这个房间的天花板容量为20人。
2. 2.The elevator's ceiling capacity is limited to 10 passengers per hour.
   电梯的天花板容量每小时限制为10名乘客。
3. 3. The construction project aims to exceed the ceiling capacity of the current building.
   该建设项目旨在超过现有建筑的天花板容量。