The main dam of Qingfengling reservoir is designed as core shell sand dam, and some problems caused by construction material exist here.
青峰岭水库主坝为宽心墙砂壳坝，存在着由于筑坝材料引起的坝体质量问题。
The main dam of Qingfengling reservoir is designed as core shell sand dam, and some problems caused by construction material exist here.
青峰岭水库主坝为宽心墙砂壳坝，存在着由于筑坝材料引起的坝体质量问题。
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