山区安装了洪水预警系统。 山區安裝了洪水預警系統。 山區安裝了洪水預警系統。
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- Simplified
- 山区安装了洪水预警系统。
- Traditional (Taiwan)
- 山區安裝了洪水預警系統。
- Pinyin
- Bopomofo
Written with HSK 6 vocabulary, at CEFR level B2.
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