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。
Plenty of oxidation etching pits are found on the surface of the specimen after the thermal fatigue test, and the surface principal crack is prone to propagate through these etching pits.
实验结果发现，试样表面出现大量的氧化腐蚀坑，表面主裂纹优先通过这些腐蚀坑扩展。
The affections of different surface treatments by mechanical polishing, chemical etching and photoetching to the properties of electrodes have also been discussed.
探讨了机械抛光、化学抛光和光抛光等不同表面处理方法对电极特性的影响。
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