Fine etching Dot etching on metal plates to improve tone values.
精细腐蚀在金属版上的网点腐蚀，它改善色调层次。
Different technologies are available to directly mark objects: laser / chemical etching, dot peening and ink jet printing.
不同的技术可帮助实现此直接印刻的工艺，如激光/化学雕刻、点式打标和喷码打印技术。
Different technologies are available to directly mark objects: laser / chemical etching, dot peening and ink jet printing.
不同的技术可帮助实现此直接印刻的工艺，如激光/化学雕刻、点式打标和喷码打印技术。
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