PIEK聚亚胺醚酮pien.馅饼；饼图n.喜鹊；爱说话的人(=magpie)piezoelectric thick plate压电弹性厚板piezoelectric transformer压电变压器Piezo-electric steering压电偏转piezo- driven mechanism压电／电致伸缩驱动piezoelectric gene sensor压电基因传感器piezoelectric tuning fork压电音叉piezoelectric piling-up压电叠堆piezoelectric transducers压电换能器piezo- electric element压电陶瓷piedmont interstream flat山前侵蚀平原