Rainwater is channeled from the roof through a harvesting pipe installed in the school lobby, where it is collected and recycled.

屋顶的雨水被安装在学校大堂内的收集管收集起来并被回收利用。

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Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling, to mak them as a whole, so as to go-through the caving zone safely and smoothly.

详细介绍了采用埋管注浆方法充填加固冒落段巷道顶板及围岩，使之胶结成为整体，从而安全顺利地通过该冒落带的施工技术。

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The subway crossing project through Hongxu Road in Shanghai is the pipe-roof project with the biggest cross-section box culvert up to now in the world.

上海市中环线虹许路北虹路下立交工程是目前世界上在饱和含水软土地层中施工的横截面最大的管幕法工程。

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