Determining principle and calculating method of the load of greenhouse roof are particularly expounded in the light of the structure of greenhouse and the characteristics of the load.
本文结合温室结构和荷载的特点，具体论述了屋盖荷载的确定原则与计算方法。
In the article, the feasibility of pushing coal is analyzed on the basis of mine pressure law. The pushing coal way is particularly expounded. The existing problems in pushing coal are analyzed.
文章根据矿压规律分析了扒顶煤的可行性，具体论述了扒顶煤的方法，同时分析了扒顶煤存在的问题。
Every phase is expounded and examined in some detail and with translation examples, and particularly a great attention is given to the logic and rhetoric problems.
每个阶段的方方面面都结合实例进行了较详尽的阐述和探讨，尤其对逻辑和修辞问题倾注了更多的笔墨。
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