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黄河水资源保护科学研究所研制的HS-1型浑水测深仪于一九八五年六月二十八日在郑州通过设计定型鉴定。同行专家对该仪表的电气参数及具体技术指标进行了认真地测试和室内及外业比测;对历年来室内外实验比侧资料及各
The HS-1 muddy water depth sounder developed by the Yellow River Scientific Research Institute of Water Resources passed the design qualification in Zhengzhou on June 28, Peer experts on the electrical parameters of the instrument and the specific technical indicators have been carefully tested and indoor and outdoor ratio test; indoor and outdoor over the years than the experimental side of the data and each