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The fieldbus replaces conventional parallel wiring.
现场总线取代了传统的并行线路。
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The surface of the support board is perpendicular to the ground, and the wiring surface of the socket is in parallel with the surface of the support board.
支撑板的板面与地面垂直并且插座的接线 面与所述支撑板的板面平行。
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