It is put on the roof of a building.

它在大厦的屋顶被投入使用。

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However because of its difficult lapping, it is easy for a leak to be produced when there are skylights , fans and clearstory etc, at the roof of a building.

但是由于其横向搭接困难，故当建筑屋顶有天窗、风机、气楼等突起构造以及需要与采光带等不同材料组合时，容易产生渗漏。

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When elastoplastic theory is used to analyses the brick wall with cracks bearing weight of water box on the roof of a building, a critical load formula is derived.

应用弹塑性理论分析屋面水箱的含裂缝承重墙体，得到临界荷载的计算公式，计算出的临界荷载远此砖砌体的局部抗压强度低。

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But the City of Indianapolis came to the rescue. It bought the theater building in the 1980s and leased the Roof Ballroom to a developer, who not only fixed it up but installed what it called a scene machine to add more moody sky effects like synthetic snowfall.

VOA: standard.2010.02.25

Now this is a rain gauge, and it's sitting on a roof of a building, and when the water falls into this gauge, it sends a signal to the logic unit of the computer, which immediately notifies the memory bank of the computer to seek out its instructions for a rainy day.

这是一个雨量测量器，安装在一个楼房的,屋顶上，当水流入到这个测量器，它就给计算机的逻辑部件发送一个信号，计算机立即通知内存条,为下雨天找出相应的指令。

哈佛公开课 - 计算机科学课程节选

Several roads in Cowdenbeath have been closed after part of the roof of a building blew off.

BBC: RELATED BBC SITES

The lid of a pressure cooker has been found on the roof of a building on Boylston Streets.

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When Duplat and Weir climbed on the roof of a building at the camp, they were stunned by what they saw.

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