The etchant penetrates between the fine grains to etch the plate forming countless tiny cells that print in a soft texture.
腐蚀剂在微粒间渗入，把版面腐蚀，造成无数小窝，印出一个柔和纹理。
The etchant penetrates between the fine grains to etch the plate forming countless tiny cells that print in a soft texture.
腐蚀剂在微粒间渗入，把版面腐蚀，造成无数小窝，印出一个柔和纹理。
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