hot rolled quality steel sheet 中文意思是什麼
hot rolled quality steel sheet
解釋
優質熱板-
Hot - rolled steel sheet in coils of structural quality and heavy thickness
結構質量和特厚的成卷熱軋鋼薄板 -
Continuously hot - rolled steel sheet of structural quality with improved atmospheric corrosion resistance
提高了耐大氣腐蝕性的連續熱軋結構薄鋼板
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