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- During copper etching,the cuprous ion concentration in the etchant would increase which causes an etching rate reduction. 随着蚀铜过程的进行,蚀铜液中的一价铜离子浓度不断增加,造成蚀铜液的蚀铜能力下降。
- During the process of copper etching, the concentration of cuprous ion gradually builds up in the etchant, resulting in the reduction of copper etching rate. 随著蚀铜过程的进行,蚀铜液中的一价铜离子浓度不断增加,造成蚀铜液的蚀铜能力下降。
- Copper Etch: The exposed copper is removed through an etching process, while the plated tin acts as a resist-protecting the plated copper from the etchant. 去锡:除去镀锡层,显现出线路部分的铜线。(铜线由三层构成:基铜层、沉铜层和电镀铜层)
- That is a beautiful etching of a bird. 那是一只鸟的漂亮的蚀刻画。
- The chemical symbol for copper is "Cu". 铜的化学符号是Cu。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色?
- Copper and gold are both metals. 铜和金都是金属。
- Copper has less resistance than lead. 铜的电阻比铅的小。
- Hanging on the wall was a fine etching of the church. 挂在墙上的是一幅精致的教堂蚀刻板画。
- What color is copper sulfate solution? 硫酸铜溶液是什么颜色?
- A copper coin formerly used in India and Pakistan. 安那旧时在印度和巴基斯坦使用的铜币
- Ornamental copper pans hung on the wall. 墙上挂着装饰性的铜盘。
- This mountain road leads to the copper mine. 这条山路通向那个铜矿。
- Brass is an alloy of copper and zinc. 黄铜是铜和锌的合金。
- We fuse copper and tin to make bronze. 我们把铜和锡熔制成青铜。
- They will mine copper there in the valley. 他们将在那边的山谷开采铜矿。
- Brass is formed by the fusion of copper and zinc. 黄铜是由铜和锌熔合制成的。
- Copper conducts electricity better than iron does. 铜的导电性比铁强。
- Look at this glass etching of the Little Mermaid. 看这件刻有小美人鱼的玻璃器皿。
- The artist is etching a picture on a metal plate. 艺术家正在金属板上蚀刻作画。