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- 1. = petty cash book 零用現金簿 PCBs don't break down in soils, water or air, but carry on accumulating. 多氯聯苯在土壤中,水中或空氣中都無法分解,只會繼續累積。
- 2. = polychlorinated biphenyl 多氯聯(二)苯
- 3. = Procedure Control Block 【電腦】進程控制塊
- 4. = Printed Circuit Board 印刷電路板