Flat gate valve flashboard machining device and machining method von DING KE, MU YANYUN, BAI KAIYU, ZHU XIAOHU, LIU JUN, ZHANG JUN, ZENG PINQI, ZHU CHENGXIAN, MENG WENZHOU, JUNBA LIU, MU CONG, LI YUMING, ZENG HEYOU

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Control method of ball valve von MU YANYUN, CHEN XIAOYING, LIU JUN, HU JIANJUN, MENG WENZHOU, JUNBA LIU, LI YUMING, LI JUNLIN

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