CF PTA精对苯二甲酸
PTA PTA精对苯二甲酸;对苯二甲酸
MCC PTA三菱化学印度
pta meteringpta计量
PTA wastewaterPTA废水
ignacio pta伊格纳西奥角
uvero pta乌韦罗角
maraguay pta马拉瓜伊角
rosario pta罗萨里奥角
N-COUNT（可数名词） A PTA is a school association run by some of the parents and teachers to discuss matters that affect the children and to organize events to raise money. PTA is an abbreviation for . parent-teacher association的缩写; 家长教师协会