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[求助] 羟基丙烯酸聚氨酯面漆柔韧性为什么这么差? |
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想问题,一定要勤思索,千万不能人云亦云,随波逐流 |
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邮箱danielno1@126.com,
欢迎就技术问题交流。 |
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中国上海.
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因为痴迷,所以专注!
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借年轻资本多学习···
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