由煤炭部科技局主持召开的带式输送机同行业性能评议及经验交流会于五月二十二日至二十七日在上海举行。参加会议的有煤炭部所属各煤矿机械厂和配件厂、部分矿务局以及各协作厂矿等三十多个单位,七十多名代表。会议对煤炭部十一个煤机厂和配件厂的托辊质量进行了测试和评比。並对国内、外托辊的测试和分析结果;托辊主要另件的研制和试验;托辊的加工和装配以及国产 SDJ—150型 The conveyer convened by the Ministry of Science and Technology, convened by the Ministry of Coal Industry, will be held in Shanghai from May 22 to May 27. Attending the meeting are coal mine machinery factory and parts factory affiliated to the Ministry of Coal Industry, some mining bureau and more than thirty units and more than seventy representatives. The meeting of the Ministry of Coal 11 coal mills and parts plant roller quality testing and appraisal. And the test and analysis results of the roller at home and abroad; the research and test of the main parts of the roller; the processing and assembly of roller and the domestic SDJ-150