高挡墙
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large-size retaining walls 大型挡土墙
large retaining walls
大型挡土墙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Before the 20th century, tall retaining walls were often made from large masses of stone or concrete. Today, taller retaining walls are more often built as composite gravity walls.
在二十世纪以前，高大挡土墙往往由大量石料或混凝土组成， 现在，高大挡土墙一般建成是复合重力墙形式。
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