The surface etching and pretreatment of the current of positive and negative electrodes of polymer Li-ion batteries was introduced.
介绍了聚合物锂离子电池正、负极集流体表面的蚀刻与预处理及热压与直接涂布两种电极制备工艺。
Below the waters eddied and swirled etching a secret language on the surface.
水下激起漩涡和涡流，在水面画出神秘文字。
For example, on paper, wood or cardboard the etching would occur as carbonization (burning) while the surface of a metal might be melted.
例如，在纸张，木头或纸板的蚀刻会出现如碳化(燃烧)，而金属表面可能会融化。
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