overflow filter是什么意思

用法例句

Because of filtration overfall from Panzhihua Midi Mill Plant being dealed with irrationality and concentrate grade being not stable,some improvements on the folw for filtration overfall are made.

针对密地选矿厂现有选别流程中过滤溢流处理不合理、精矿品位不稳定现象,提出了过滤溢流集中处理的流程改进方案,并通对实验室试验和工业试验,验证了改进流程的合理性。