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为了鉴定湖北省洪湖县水利工程机械厂(即现在的洪湖轻工模具厂)生产的PN-3型灌浆机组的技术性能,1987年结合生产在山东鄄城县黄河大堤康屯堤段进行了锥探灌浆试验。
In order to identify the technical performance of PN-3 grouting unit produced by Honghu Water Conservancy Engineering Machinery Factory (now Honghu Light Industry Mold Factory) in Hubei Province, 1987, the cone Exploration grouting test.