ASPA has close working relationships with the other peak associations of school leaders, both nationally and internationally.
ASPA也与其他国内与国际的顶级校长协会保有紧密的工作关系。
2
Types ASPA-1 and ASPA-2 alumina-silica fiber paper are premium grade lightweight refractory material made from high-purity alumina-silica fibers formed into highly flexible sheets.