Ventilation between the two things should be different

In the normal clear and windless or breezy weather, the innermost temperature of the shed is higher than the temperature at the entrance of the shed. When ventilating, the innermost vents of the shed must be pulled a little larger, and the vents near the entrance must be pulled small. Some, in order to ensure the same temperature throughout the greenhouse, the crop grows in unison. In case of special weather, special management is also required. When scraping the northwest wind, it is necessary to pay attention to the ventilation of the west side of the shed to a large point, the east side is relatively small, because when the northwest wind is scraped, the temperature in the west of the shed is relatively higher; The vents on the east side of the booth are larger.

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