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1991年9月中旬在大同市落里湾煤炭集运站,由机械电子部组织对沈阳矿山机器厂设计和制造的DX·S型B=2000mm大运量带式输送机进行了部级鉴定.鉴定委员会是由国务院重大办、大秦专项专、中国统配煤矿总公司等25个单位40多位专家代表组成.通过对该机测试、审查,与会专家一致同意通过鉴定.该机是1987年由太原煤矿设计院和沈阳矿山机器厂就大秦线配套工程:山西大同落里湾煤炭集运站定量装车系统带式输送机的设计与制造签订了“落里湾胶带机设计制造协议书”,并确定该机的设计与制造
In mid-September, 1991, at Datong’s Liangli Coal Mine Station, a ministerial appraisal was carried out by the Ministry of Machinery and Electronic Technology on the DX · S type B = 2000mm large capacity belt conveyor designed and manufactured by Shenyang Mining Machinery Factory. The committee is composed of more than 40 experts and representatives from 25 major units of the State Council, Daqin Special Project, China General Coal Mine Corporation, etc. Through the test and review of the aircraft, the experts agreed to pass the appraisal. Coal Mine Design Institute and Shenyang Mining Machinery Plant on the Daqin line supporting project: Datong, Hongliathan coal loading station quantitative loading system design and manufacture of conveyor belt signed the “Wali Bay Belt Machine Design and Manufacturing Agreement,” and to determine The design and manufacture of the machine