After a series of tests of the vertical screw mixer the following conclusions were obtained:1. As the time goes on the variation coefficient CV of the mixed material was rapidly decreased, 4 seconds later, the value of CV becomes less than 10%.是什么意思_After a series of tests of the vertical screw mixer the following conclusions were obtained:1. As the time goes on the variation coefficient CV of the mixed material was rapidly decreased, 4 seconds later, the value of CV becomes less than 10%.在线翻译_英语_读音_用法_例句