CAAC
n.
中国民航管理局
(Civil Aviation Administration of China)
PE
abbr.
1.体育课;体能训练 (physical education)
2.聚乙烯 polyethylene
3.产品工程 Product engineering
CAAC
n.
中国民航管理局
(Civil Aviation Administration of China)
PE
abbr.
1.体育课;体能训练 (physical education)
2.聚乙烯 polyethylene
3.产品工程 Product engineering