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铅是一种分布广泛的有害金属,从食品、用品、餐具、玩具……到我们呼吸的空气,到处都有它的踪影。经常接触铅,就会出现一系列慢性中毒症状:头痛、头晕、便秘、腹痛、四肢酸胀、贫血、动脉硬化、消化道溃疡、中毒性肝炎和神经衰弱等。
Lead is a widely distributed and detrimental metal that traces everything from food, supplies, tableware, toys ... to the air we breathe. Frequent exposure to lead, there will be a series of symptoms of chronic poisoning: headache, dizziness, constipation, abdominal pain, limbs soreness, anemia, arteriosclerosis, peptic ulcer, toxic hepatitis and neurasthenia.