Sand gravel cushion is a kind of ground cushion treatment, it is widely applied because of its low cost.

砂砾石垫层是换填垫层法的一种，由于其比较经济，因此在实际工程中的应用比较广泛。

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Previous rovers have deployed parachutes to slow their descents, and have then crashed into the ground using airbags to cushion their impacts.

先前的探测器使用降落伞降低下降时的速度，砸向地面时有安全气囊缓冲撞击的影响。

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The CM composite foundation is a kind of new type composite ground based on working principle, cushion effect, stress-passing characteristic and stress analysis of the single pile foundation.

CM桩复合地基是在原有的单一桩复合地基的工作机理、垫层效应、传力特性、应力分析的基础上提出的一种新型复合地基。

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You can use your life jacket as a cushion on the rocky ground.

BBC: Getting personal with penguins in Antarctica

He was so disgusted that he threw a cushion at the bullfighter, who fell to the ground, perhaps from surprise.

ECONOMIST: Cleveland Amory | The