Desilting discharge ejector for desilting basin von CHEN LIANYING, CHEN LIRONG, YAN ZHIPENG, XIE JINTIAN, LIAO ZENGBAO, HUANG QING, CHEN YUHENG, LIANG YONGQI, ZHAN ZHIWEI, YANG SHUANGQUAN, PENG DONGSHAN, XU JIA, ZHANG SHULIN, ZHONG HANJIN, LIN RUIRENG, WU HAIYAN, GUO MING, LIU RONGFANG, GAO PIN, JIANG XIUQI, XUE ZEFANG, YANG SHAN, HUANG FULIANG, TANG WUXING, TAN SHELIAN, MO SHUOQIU, ZHANG WENHONG

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Rubber ball spring fastener and hammering injection type undisturbed soil sampling device von CHEN LIANYING, WU HAIYAN, CHEN LIRONG, WANG GUOSHENG, YAN ZHIPENG, XIE JINTIAN, LIU RONGFANG, HUANG QING, LUO CHAODING, GAO PIN, LIANG YONGQI, ZHAN ZHIWEI, JIANG XIUQI, YANG SHUANGQUAN, FENG XING, HUANG FULIANG, TANG WUXING, CHEN HUIFEN, TAN SHELIAN, ZHONG HANJIN, LIN RUIRENG

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