This is more than 75 scleroscope hardness of a plastic, photopolymer plate.

这是肖氏硬度75以上的铅版塑料版 、 平聚版无法比拟的.

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A print of a woodcut , lithograph, or other engraved material, especially when reproduced in a book.

铅版:木刻, 平版或其它雕刻材料的印模, 尤指在书中复制时的印版.

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The process of preparing a printing surface for electrotyping engraving on a wax - coated metal plate.

印刷版面准备用作印刷表面的一片金属,塑料,橡胶,纸板或其它材料,例如电版或铅版.

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Metal bottom slab has empty interpuntion, cast - in - print of a type of block , steel , steel block.

金属底版有铅空排版 、 浇铅版、钢型刻版 、 钢板刻版等多种.

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A print of woodcut, lithograph, or other engraved material, especially when reproduced in a book.

准备用作印刷表面的一片金属, 塑料,橡胶, 纸板或其它材料, 例如电版或铅版.

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