上海某铸钢厂用石灰石砂代替石英砂消除清砂工矽肺效果研究
상해모주강엄용석회석사대체석영사소제청사공석폐효과연구
Study on the Effectiveness of Substituting Silica With Limestone as Molding Material to Eliminate the Occurrence of Silicosis in Fettling Workers in Shanghai Steel-Casting Factory
저자의 최근 논문