5875| 20
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[求助] 如何改善羟丙树脂,聚氨酯与金属铝镀层附着力低问题 |
20普通分
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Thanks & Best Regards
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凉
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丙烯酸树脂
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水性烤漆树脂生产销售。
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不会写,唠2毛钱儿的吧~~
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微电13671769394 QQ1904710845
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