Kèo nhà cái 5ίͳ426ͳѾ⽻ϵ»ɴʹЭ֮ǰýսҪվͨ͡šֱӶԻҪ֪Ƿȡ谭ͨšжһЩ¶տܲͬύشҲͬնԻʱڳ
۲̿Ǽǿҵ˹ܵȸ߿Ƽĺ֮ý430¶ڶԡĵйԱǩ֤ǰɼʱϼӴУҽԺΨһĸȫְҽ̩죨Dr.GeorgeTyndallڽ30ʱŮԻʱΪϼӴУεõҽԺԱͻߵľٱûвȡЧʩֹΪķֱ2016ҽ
ĿǰϵȨѧмʱṫվϢŷͳƾ523շʾ2017ŷ˹1564ĹԱ2700ʱͬռŷԱ14.3%ȥ15ŷʱ12.7%14.5%䲨
¼鷴ת֮ŵĸĸʾҥ߽ȷʵӦȨڽһʵҲǶƻһ֧۵ļලļ滯κμලȷʵ˺IJصҲ˺Ʊ