steel engraving
柯林斯词典
1. N a method or art of engraving (letters, etc) on a steel plate 钢版雕刻术
2. N a print made from such a plate 钢版雕刻印刷品
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1. N a method or art of engraving (letters, etc) on a steel plate 钢版雕刻术
2. N a print made from such a plate 钢版雕刻印刷品