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Solar-powered deep water pool water flow testing system, has rectification baffle plate fixedly connected with pre-embedded steel plate and formed with hole, and water flow adjusting terminal connected with steel wire net. 专利
申请日期: 2016-01-01, 公开日期: 2016-09-07
作者:  DONG S LI Y XU Y XIU X TENG B MA Z
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