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[研讨] 80固含树脂做哑光清,漆固稀1:0.5:0.2,配漆后固含要有55-60,施工粘度少于17秒,... |
20普通分
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不会写,唠2毛钱儿的吧~~
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新人
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新人
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技术无界线,提升中国涂料技术
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努力中
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努力中
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