PPO polypropylene聚丙烯
PPO PPO聚苯醚
PPO PA合成材料;合金料
PPO inhibitor多酚氧化酶之抑制物
Sulfonated PPO磺化聚苯醚
potato ppo马铃薯多酚氧化酶
Derivatived PPO改性聚苯醚
PPO genesPPO基因
GF PPO玻璃纤维增强PPO
N-COUNT（可数名词） A PPO is an organization whose members receive medical care at a greatly reduced cost only if they use doctors and hospitals which belong to the organization. (医疗)优先供应商组织; 如果该组织成员使用属于该组织的医生和医院，医疗费用上可享受很大优惠 [美国英语][oft N n]
...a statewide PPO plan that allows members throughout California to travel to Mexico for care.
...一个全州性医疗优先供应商组织计划使该组织在整个加利福尼亚州的成员都能赴墨西哥接受医疗。