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。
Fine etching Dot etching on metal plates to improve tone values.
精细腐蚀在金属版上的网点腐蚀，它改善色调层次。
In the study, in order to get good precision of dimension and position of fine leads, chemical etching method is used to make high density double assess single-sided FPC.
研究采用化学蚀刻聚酰亚胺的方法来制作双面连接的单面挠性板，以满足精细手指的尺寸和位置精度的要求。
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