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盛夏,树木进入生长旺季。然而,以树木为食的各种害虫、病原物等也活动频繁起来,使树木遭受不同程度的危害。现将
Summer, the trees into the growing season. However, various pests, pathogens and the like which feed on the trees are also frequently activated, causing the trees to suffer different degrees of harm. Now