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composite dam
eng.geol. 混合式土石坝
hydroel.st. 混合式坝
tech. 混合式土石
composite rock fill and earth dam
water.res. 复式土石
composite earth-rockfill dam
hydroel.st. 土石混合坝
composite dam: 13 phrases in 4 subjects
Electronics1
Hydroelectric power stations3
Technology8
Water resources1