Villagers are scrambling to pile sandbags onto the top of the dyke to raise it higher. 村民們正急匆匆地在壩頂堆積沙袋以加高堤壩。
It is a few projects of crest spillway of rock-fill dam at home and abroad at present. 摘要目前國內外有關(guān)堆石壩壩頂溢洪道的工程實(shí)例較少，對其結構設計理論的研究也不多，僅有少量的實(shí)驗。
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