风沙是河北省黄土丘陵区较常见的灾害性天气现象之一，多发生于冬春季节。
Wind erosion is one of the most calamity weather phenomenon in loess hilly-gully area of Hebei Province, it often occurs in winter or spring.
风沙是河北省黄土丘陵区较常见的灾害性天气现象之一，多发生于冬春季节。
Wind erosion is one of the most calamity weather phenomenon in loess hilly-gully area of Hebei Province, it often occurs in winter or spring.
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