释义 |
PTAPTA1.■=Parent-Teacher Association 家长教师协会;2.■Passenger Transport Authority 客运管理局[英];3.■Phenyltrimethyl Ammo-nium苯基三甲基氨;4.■Phosphotungstic Acid 磷钨酸;5.■Phototransi-tor Amplifier 光电晶体管放大器;6.■Postal Transport Association邮政运输协会[美];7.■Public Tronsport Association 公共运输协会[英] |