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 6702| 35
 
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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,... | 
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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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