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用塑料大棚种植蔬菜,由于密闭保温,通风不良,很容易遭到有害气体的危害,严重时会使全棚蔬菜1夜间枯萎死亡。
Vegetables grown in plastic sheds, due to airtight insulation, poor ventilation, it is vulnerable to harmful gases, in severe cases can make the whole shed vegetable wilt death night.