混凝土面板砂砾石坝
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concrete face sand-gravel-fill dam 砂砾石面板坝
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Sand and gravel are filled in different zones in embankment dam with concrete face slab and auxiliary embankment dam at Chalong Hydropower Station.
查龙电站面板堆石坝坝体及沙砾石副坝填筑体按不同填筑区填筑沙砾石料。
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