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大家在搜：围椅冰溜面斜坡重力作用基碛冰湖沉积少耕土壤水蚀生物易土地属性环境伦理观

拦洪坝

lán hónɡ bà

名regulating dam;a dam for holding back floodwater;a dam for flood control

拦洪坝

拦洪坝

1

定向爆破坝的渗透稳定机理及其在拦洪坝的应用

Stabilized Percolation Mechanism of Directional Blasted Dam and its Application to Retaining Dam

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