dam shell material construction
dam shell material construction
坝壳材料施工
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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