prepainted steel sheet 中文意思是什麼
prepainted steel sheet
解釋
標準:彩色塗層鋼板及鋼帶-
Standard specification for steel sheet, metallic coated by the hot - dip process and prepainted by the coil - coating process for exterior exposed building products
外露建築產品用熱浸塗覆和用卷塗工藝預塗金屬的鋼薄板的標準規范
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