KPI耐酸胶泥及混凝
钢板耐盐雾
180000DWT 散货船
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larry:不太认可这样的观点哦?湿度太高,聚氨酯成膜会失去光泽,我会建议75%以下,并且有阳光的时候喷涂聚氨酯。[表情] (2012-04-07 08:36)
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