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最佳答案：注意：Caution:由于紫外线具有一定的伤害,使用时,请不要直接照到人体、皮肤或眼睛.As the ultraviolet rays are harmful,
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最佳答案：6.Please use up in XXX hours after unpacking.7.Mixture ratio is around XXX % XXX
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最佳答案：1.Flood less than a week,the villagers would run out of food,fuel and water2.He