求翻译：为了考查药剂KP07冬季的使用效果，从2007年10月23日起，开始对ф53大井底流浓度和溢流浓度进行考查，到2008年3月19日结束，历时5个月。现将各时间段数据结果进行统计，不同时间段加药的浓密机与没加药的浓密机底流浓度和溢流浊度的差值分别计算出来，计算结果如下表4.1所示是什么意思？

To examine the effect of the use of pharmaceutical KP07 winter, from October 23, 2007, the beginning of ф53 large bottomhole concentration test concentration and overflow, to March 19, 2008 lasted five months. Now each time the results of the statistical data, different time dosing of thickener and

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In order to examine effects of pharmaceutical KP07 winter, beginning on October 23, 2007 and started to ф 53 overflow concentration test of downhole flow concentration and, to end on March 19, 2008, 5 months. Results and statistics for each time period data, different time periods of dosing of thick

To examine the effect of the use of pharmaceutical KP07 winter, from October 23, 2007, the beginning of ф53 large bottomhole concentration test concentration and overflow, to March 19, 2008 lasted five months. Now each time the results of the statistical data, different time dosing of thickener and