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防坍工程
meaning in Chinese
avalanche control works
avalanche prevention works
Related Words
坍
坍缩
坍堤
坍毁
坍岸
渐坍
防坍
滑坍
坍下
坍崩
防坍挡板
防坍堤
防坍构筑物
防坍构筑物墙
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