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煤灰是许多工业发达国家的一个累赘。近来美国约翰斯霍尔斯大学的冶金学家找到了煤灰的新用途——制成煤灰金属。据发明者声称,在铝锌合金中加入一定量的煤灰可合成
Coal ash is a burden to many industrialized countries. Recently, metallurgists at Johns Holmes University in the United States have found new uses for coal ash - made of ash metal. According to the inventor’s claim, adding a certain amount of coal ash to the aluminum-zinc alloy can be synthesized