From the collection of data and the comparison of distance, plant layout, found that the chart update 1. distance comparison chart 311.65 m 2 which chart mileage 355.25 best and has the least total distance in meters, the chart is updated 311.65 1 to collect data and compare the concentration of the aromas. It found that after the revised chart of the factory. The intensity of the smell is a better direction.
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