I am majoring in educational psychology and hope to be an etcher in the future.
我主修教育心理学，希望将来能当老师。
Is a first article run prior to etching the lot to confirm etcher Settings and linewidths?
在批量蚀刻前是否进行首件与确认蚀刻机设备与线径？
Is a first article run prior to etching the lot to confirm etcher Settings and linewidths?
在批量蚀刻前是否进行首件与确认蚀刻机设备与线径？
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