盘内孔（hole in pad）消除了中继孔及连线 PCB制板基础学问 一、PCB概念 PCB（PrintedCircuitBoard），中文称号为印制电路板，想知道除了。
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hole in pad
垫孔
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Back in 2003, a guy in Colorado named Matthew Cole cut out a giant square hole in his living room floor, sunk in a hot tub and turned his modest bachelor pad into a magnificent poor man's grotto.
CNN: Apparently This Matters: Hot tub time
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