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xmszkx鐵蟲 (著名寫手)
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[求助]
土木和聚氨酯跨學(xué)科的論文,關(guān)于聚氨酯審稿意見請專業(yè)人士幫忙看看?
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| The author must indicate which type of polyol was used (for example polyether polyol or polyester polyol and the flexible one or rigid one) and what is the chemical composition of material? And each of them have a multi grade so which grade are used in this study? beside the commercial name? The PU material can be produced in a multi series of densities based on polymers raw material components and mixing ratios. |
新蟲 (正式寫手)
鐵蟲 (著名寫手)
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