upstream slope protection
... tree planting protection 植树护岸 upstream slope protection 上游坡护坡 water shed protection 流域保护 ...
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upstream slope protection
上游护坡
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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This paper introduced the cause reason for freezing damage at upstream slope protection of the earth dams, as well, prevention measures were discussed, for reference.
对土坝上游护坡冻害的产生原因及防治对策进行了探讨，仅供参考。
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