以下为句子列表：
英文: 1 The soil is a gravel if the percentage of gravel is estimated to be more than the percentage of sand.
中文: 1如果砾的百分含量比砂的百分含量估计的多,这个土就是砾石.
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英文: 2 The soil is a sand if the percentage of gravel is estimated to be equal to or less than the percentage of sand.
中文: 2如果砾石的百分含量比砂的百分含量估计的少,这个土就是砂.
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英文: 3 The soil is a clean gravel or clean sand if the percentage of fines is estimated to be 5%or less.
中文: 2如果砾石的百分含量比砂的百分含量估计的少,这个土就是砂.
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英文: A brief introduction is given to the treatment of the Zeya dam foundation,principles of seepage control and design of the concrete face rockfill dam of the Zeya reservoir.As for the excavation of the sand-gravel zones,except the toe slab and its 1/9 botto
中文: 介绍碧莲水电站拦水坝系软基上的水力自控翻板闸门溢流坝工程特点和设计原理.闸门利用水力和杠杆原理实现自控关闭；闸坝平时挡水发电,洪水期自动翻倒泄洪冲砂,有效地解决洪水对上游库区实物的淹没损失及水库泥沙淤积问题；闸坝采用地下混凝土连续墙进行地基防渗处理及面流消能，消能效果显著，工程投资少.本工程设计可供其它建固定坝淹没损失过大或在软基上建低重力式堰坝的类似工程参考.
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英文: A kilometer from Miaohe, where the gravel road that provides sole access to the village passes through a muddy tunnel, the villagers have set up temporary housing.
中文: 在离庙河村1公里的地方，通往这个村庄唯一的碎石路会经过一个泥泞的隧道。
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