| 单词 | 正反两面 |
| 释义 | 〔feedthrough〕A conductor connecting two circuits on opposite sides of a printed circuit board.馈通：连结印制电路板正反两面两个电路的导体〔side〕the front side of a piece of paper; the two sides of a record.一张纸的正面；唱片的正反两面〔register〕Exact alignment of the lines and margins on the opposite sides of a leaf.对准印刷：再一页纸的正反两面行或空白边缘的准确排列 |
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