step-shaped concrete cushion的意思|示意
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阶梯式混凝土垫
step-shaped concrete cushion的网络常见释义
台阶状混凝土垫层 ...资讯网 关键词：台阶状混凝土垫层；坝顶溢洪道；坝坡稳定；白河沟面板堆石坝 [gap=808]Key Words: step-shaped concrete cushion; crest spillway; dam slope stability; Baihegou Concrete Face Rockfill Dam ..