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2013-05-23 12:21
求翻译：(iii) Dip the workpiece into the chemical solution called etchant and leave it for sufficient time to get the necessary depth of etching. The etchant is either continuously sprayed onto the workpiece surface or the part is immersed in a tank of constantly, agitating etchant solution. This helps in removing the material是什么意思？ 待解决
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- 离问题结束还有
(iii) Dip the workpiece into the chemical solution called etchant and leave it for sufficient time to get the necessary depth of etching. The etchant is either continuously sprayed onto the workpiece surface or the part is immersed in a tank of constantly, agitating etchant solution. This helps in removing the material
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