Multifunctional pumping and drought-proof power purchasing device von RAO HUI, DENG JIAN, XU TAO, YANG ZHANWANG, CAI JIANBO, YANG KAI, LI JING, ZHANG HUANQIU, WU WAIHONG, DONG MINGQIU, PENG YI, MA WANGENG, CHEN BIAO, TANG JINGJING, TANG HAIFU

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