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本机是冶金部长沙矿山研究院研制成功的一种新型混凝土喷射机,于1980年12月由冶金部组织鉴定,是我国目前设计先进、性能优良的混凝土喷射机.
This machine is a new kind of concrete jet machine successfully developed by Changsha Institute of Mining and Metallurgy. It was identified by the Ministry of Metallurgy in December 1980 and is the concrete jet machine with advanced design and excellent performance in our country at present.