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最佳答案：Material science and project academy或者The academy of material science and projec
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最佳答案：Shaanxi Province,"13115" technology innovation project,major scientific and tech
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最佳答案：根据用途大体分为土木工程用,铸造用,农药用,化妆品用,Divides into the civil engineering according to the u
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最佳答案：1.We found someone had broken into the house when we arrived home.2.He requires
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最佳答案：With the development of economic and infrastructure engineering amplification, i
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最佳答案：Thank you very much for your informations.But our engineers have two requiremen