Expounds the existing problem of coal tunnel temporary support, put forwards the advantage and safety of new method.

阐述了煤巷临时支护现用方法存在的不足和隐患，提出了采用新支护方法的优点和安全性。

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Consolidating the existing foodstuff market could remain long and steady export of foodstuff. Using comparative advantage solves the problem of the balance of supply and demand of China's foodstuff.

并真正发挥、利用比较优势，解决中国粮食进出口战略问题，最终解决未来中国粮食供求平衡问题。

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The Army could take full advantage of existing technology, because space was no particular problem.

陆军可富裕利用现有的进步技巧，因为体积对他们来说不是题目。

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