发布时间:2025-01-31 17:48:54
考登钢,又称Corten钢,主要分为Corten A和Corten B两种类型。这是一种代表美国Cu-P系列钢的低合金高强耐大气腐蚀结构钢,也被称为耐候钢。在国内,该钢种通常简称ND钢,其对应的国家标准是GB/T4171-2008耐候结构钢。在生产及现货供应方面,舞阳钢铁能够提供此类钢材。
我想自学油画以前有国画与水粉画基础学过素描和色彩构成等基础课程请问应该从哪些方面入手
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