Device and method for preventing and controlling crop diseases and insect pests von ZHAO FENGYI, WANG SHIJIE, SHENG PENG, YUKISHI TSUYOSHI, ZHANG CHANGJUAN, ZHANG YINGQI

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Automatic dredging device for buried culvert von CHEN SHIQI, WANG BOHAN, WANG LIN, QI MIAOXIN, CUI ZIHAO, CHU HUAIBAO, YUKISHI TSUYOSHI, QI YONGSHENG, JIANG ZIHAN, NIU KUIXING

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Automatic equipment and method for cleaning and maintaining surface of photovoltaic power generation panel von LIU KAIQIANG, ZHANG ZHIYUAN, GONG ZHENGYAN, XU XUEKE, HUA WEI, CUI GUIGUI, LYU JIANCHENG, YUKISHI TSUYOSHI, CAO WEITAO, WANG YAN

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Grass checkered sand barrier laying machine capable of automatically adjusting dimensions von HUANG CHUNGUANG, DU YUANJUN, REN YUJIAN, MA JUNJIN, YUKISHI TSUYOSHI, LIU HAIMING, WANG SHIYU, FENG CHANGLONG

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Self-adaptive grass checkered sand barrier laying device von GAO XUELEI, HUANG CHUNGUANG, DU YUANJUN, REN YUJIAN, MA JUNJIN, YUKISHI TSUYOSHI, LIU HAIMING, WANG SHIYU, FENG CHANGLONG

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