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影响化学反应速率的因素(2)
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影响化学反应速率的因素(1)
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化学反应速率
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化学反应热的计算(2)
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化学反应热的计算(1)
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燃烧热 能源
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化学反应与能量的变化(2)
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化学反应与能量变化(1)
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垃圾资源化
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爱护水资源
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改善大气质量(2)
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改善大气质量(1)
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塑料 纤维和橡胶(2)
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塑料 纤维和橡胶(1)
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玻璃 陶瓷和水泥
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金属的腐蚀和防护(2)
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金属的腐蚀和防护(1)
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合金
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正确使用药物(2)
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正确使用药物(1)
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