一九七三年以来,牡丹江市积极贯彻执行国家计委发布的《防止企业中矽尘和有毒物质危害的规划》,搞好企业防尘防毒工作,取得一定成绩。粉碎“四人帮”以后的两年多,在工业学大庆、向四个现代化进军高潮中,我市的防尘防毒工作又有了进一步提高,继续扩大了战果。目前,全市四个铸钢 Since 1973, Mudanjiang City has actively implemented the “Plan for Preventing the Hazard of Silica Dust and Toxic Substances in Enterprises” issued by the State Development Planning Commission and has done a good job in dust prevention and anti-virus work of enterprises and achieved some success. In the two years since the smashing of the “gang of four,” in the dawn of industrial engineering and the climax of marching toward the four modernizations, the work of dust-proof and anti-poisoning in our city has been further enhanced and the war outcome continued to be expanded. At present, the city’s four cast steel