常見(jiàn)例句雙語(yǔ)例句The landfill sits on a natural foundation of London clay which is more or less impermeable.垃圾掩埋場(chǎng)以倫敦黏土為天然地基,其防滲效果極佳。When confined aquifer under the bottom of the pit, the foundation excavation will reduce the thickness of overlying impermeable layer.在基坑底部以下存在承壓水層的情況下,基坑開(kāi)挖減少含水層上覆不透水層的厚度。The equilibrium between gravity of the upper impermeable stratum and water pressure is a common calculation method for anti-uprush of foundation pit.在基坑抗突涌分析中,用上覆土層的重力來(lái)平衡水壓力是一種常用的計(jì)算方法。權(quán)威例句The landfill sits on a natural foundation of London clay which is more or less impermeable.ECONOMIST: The charms of modern landfills 返回 impermeable foundation