PCBabbr.聚氯联苯(=polychlorinated biphenyl)abbr.印刷电路板(=printed circuit board)abbr.计划更改委员会(=Program Change Board)PCB popcorn爆板PCB material印制板材料pcb insertion印刷电路板装配PCB wastwater线路板废水PCB industiry印制电路产业PCB simulation印刷电路板仿真PcBN composite立方氮化硼复合片PCB wastewater线路板废水PCB file format印制电路板文件格式PCB manufacturing印制板制造业