Pyrite and sphalerite were grounded to 0.147 mm in a cylinder mill and chalcopyrite and galena to 0.097 mm in an agate ball mill. The F-test results showed that the degree of homogeneity is satisfactory for all samples.是什么意思_Pyrite and sphalerite were grounded to 0.147 mm in a cylinder mill and chalcopyrite and galena to 0.097 mm in an agate ball mill. The F-test results showed that the degree of homogeneity is satisfactory for all samples.在线翻译_英语_读音_用法_例句