...勘察， 岩溶地区 [gap=402]Keywords: loose foundation, an extra large highway Bridges, engineering survey, the karst area ...
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the karst area in guizhou 贵州喀斯特山区
the karst mountain area 喀斯特山区
Karst area of the sub-tropics 亚热带喀斯特地区
Rock_socketed piles are always used as the bridge foundations in the Karst area.
在岩溶发育地区，多采用嵌岩灌注桩作为桥梁基础。
The increasingly severe rock desertification phenomenon in the karst area is obvious.
岩溶分布区石漠化现象较为突出，并日益严重。
Use the rs and the GIS technique to carry on the farmland classification in the karst area.
进行了应用遥感和GIS技术在喀斯特区域进行土地分等探索和实践。
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