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From the screen on the left, you might assume that the graph is a line.From the screen on the right, however, you can see that the graph is not a line.So, whether you are sketching a graph by hand or using a graphing utility, you must realize that different viewing windows can produce very different views of.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.