The outer roof layer of thatch overhangs from the inner basket-like structure to create deep eaves, protecting the whole bamboo structure from harsh sunshine and heavy rainfall.
外部的屋顶茅草层从内部篮式结构上高悬，保护整个竹结构免受酷热的阳光和大雨的伤害。
The roof management, roof pressure computing, assurance coefficient checking are introduced. Three kinds of protecting methods of working face management are expounded.
从顶板管理、顶板压力计算、 安全系数校核方面进行了介绍，并且在大倾角工作面三防措施管理方面进行了详细的阐述。
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