PZD透明带部分分离术Pn.字母Pp-aminoephedrine[医] 对氨基麻黄碱Pythium periplocumn.缠器腐霉Pygeurn africanurn非洲臀果木P. E. students体育专业p - methylphenol对甲苯酚pyruvate oxidation丙酮酸氧化作用p.s. converter卧式转炉pyrroetioporphyrin[医] 焦本卟啉, 焦初卟啉pyridine poisoning吡啶中毒Pyriculsris grisea稻瘟病茵