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刚玉是制作砂轮的主要原料。国内已有白刚玉粉尘致肺纤维化的实验研究报告,本文进一步用电镜观察了棕刚玉染尘的大鼠肺脏病变的发生发展。
Corundum is the main raw material for making wheel. There have been white corundum dust-induced pulmonary fibrosis in the experimental study reported in this paper further electron microscopy of corundum-contaminated rat lung lesions occurred.