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短语
printed circuit boards
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专利
placas de circuitos impresos
printed circuit board
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技术
tablero de circuitos impresos
机械工程
circuito impreso
经济
placa de circuito impreso
;
tarjeta de circuito impreso
printed-circuit board
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电子产品
panel de circuito impreso
printed circuit boards
:
15 短语
, 5 学科
专利
2
信息技术
4
地球科学
4
电子产品
4
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1
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