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英语翻译就只这句Thestrengthoftheetchantismaintainedsinceitbecomesweakbyabsorbingtheworkpiecematerialwithtime.急用谢啦
题目详情
英语翻译
就只这句
The strength of the etchant is maintained since it becomes weak by absorbing the workpiece material with time.急用谢啦
就只这句
The strength of the etchant is maintained since it becomes weak by absorbing the workpiece material with time.急用谢啦
▼优质解答
答案和解析
保持腐蚀剂的浓度,因为它随着长时间工件材料的吸收密度会变稀.
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