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关注:1
2013-05-23 12:21
求翻译:EPOXY LIQUID PHOTO IMAGEABLE SOLDER MASK OVER BARE COPPER BOTH SIDES OF BOARD. MUST MEET IPC-SM-840 CLASS 2 REQUIREMENTS.是什么意思?![]() ![]() EPOXY LIQUID PHOTO IMAGEABLE SOLDER MASK OVER BARE COPPER BOTH SIDES OF BOARD. MUST MEET IPC-SM-840 CLASS 2 REQUIREMENTS.
问题补充: |
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