dǔ shuǐ
- ponding
- water shutoff
- water plugging
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ecological succession,
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相似单词
堵塞的,
堵塞湖,
堵塞漏洞,
堵塞物,
堵塞现象,
堵水,
堵水材料,
堵铁口机,
堵头,
堵住,