directing character 中文意思是什麼
directing character
解釋
導向字元-
Directing to the storage character of qitaihe coal sources, using floatation method of nj dense medium centrifugal force not only meets the heeds of quality and amount of producing super activating carbon raw coal and has good separation result. the equipment investment is less and tailmine recovery is easy. it meets the needs of circumstance protection
針對七臺河煤炭資源的賦存特性，應用nj重介離心力選煤方法，不僅滿足了制備優質活性炭原料煤的質量和數量要求，而且分選效果好，設備投資少，尾礦物回收容易，滿足了環保要求。 -
The article is based on the eastern section of the mainline of hu rong national road, it put forward some feasible prevention ' s technology and measures directing against different type of engineering, which is based on the investigation and analysis to types and formation ' s cause of various engineering disease of highway ' s subgrade and pavement, structure of bridge and culvert and engineering along road. it evaluate the bridge safety by ahp and forecast the character changing with time of bridge structural defect by grey system theories
本文以滬蓉國道主幹線東段為依託工程，在對高等級公路路基路面工程、橋涵結構工程、公路沿線存在的各種工程病害的類型與成因進行調查與分析的基礎上，針對不同類型的工程病害提出切實可行的防治技術措施，並用層次分析法評價橋梁結構的安全性和用灰色系統理論對橋梁結構存在的缺陷隨時間變化的性狀進行預測。
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