Cách đọc kèo châu ÂuһЩҵƵʾ˵ѵEסûΣ¥¥ͨ˵ݵ˶ζÿ춼¥붼ֲԴ̨ίʾą̇̄ǵĻ̨ý51Ϣ1̨塰ϽйίڶָǡԺԳą̇̄ߡĺ֢
һҰ,˺þըҩû,öԽ˴:ǶҪ,Ū˵žǰ,쵽ըҩõʱ,ٴλͷԸں˵,ſ,Ҫ̧ͷ,Լȥų˲ټÿ2800ԪݽСسҲũһϱ϶ûĿǰũΪṩһ㡰ÿ¼ʮϰԪũάճǿͻٵļǰ
óݱ֮ʱѧ1990ŵѧĬ١иڵʱó̸һǿسνó̸СǡٷʮȥĹͨǷʵķԾڻίἰҵҡӪ̻ʱ˵ιҵһҵϴӪ̻ĺ˵ĸҵҵĸ
ݶԮʾһܶ˹-52ֱǶгʱָ˴¹ʿԴڡϡһ֧ԮһѳְԱݹҵݱ2018һȹ繫˾ͳйɿ99.9812%ѹϸ99.999%оҵ涨еɿʲ99.90%ѹϸʲ96%ũɿʲ99.70%ѹϸʲ95%ڲǿ豸άȷȫаȫɿʹõõ