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sand bag
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【医】 沙囊, 沙袋
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详细解释：
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以下为句子列表：
英文: Abstract: This paper briefly introduces the components of structures for both moulded sand bag embankment and moulded concrete bag,its construction and processes.It points out that good economic benefit can be realized by applying this process in shallow
中文: 文摘:简要介绍模袋砂子堤和模袋砼结构的组成及施工工艺等，指出对浅海滩采用此工艺能减小路堤的工后沉降，可收到较好的经济效益。
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