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世界水日
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世界水日
Encyclopedia
工学
〔环境日〕
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World Water Day
世界水日
每年的3月22日为“世界水日”。
工学
水利政策法规
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World Water Day
世界水日
联合国为了推动对水资源进行综合性统筹规划和管理,加强水资源保护,解决日益严峻的缺乏淡水问题,以开展广泛的宣传来提高公众对开发和保护水资源的认识,由联合国大会设立的公益性节日。
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temporary cavitation effect
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temporary imperial palace in North Song Dynasty
temporary imperial palaces in South Song Dynasty
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temporary open-air stage
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temporary overvoltage
temporary plugging
temporary Pluggingand diverting
temporary plugging technology
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