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Cách đọc kèo châu Âu57ʡίٿίʡί鼯ѧϰʡίǰ³ǿҪֺͼǿȫ쵼ȫٺ³쿶ҵɵĶӰʵƶγɷ̬ùԱҲЭһֹͣ1950-1953곯ս绪ʢ523յ統ʱ523йίԱ⽻ʰ͢ع;ʢͬ¾л˫ڻ̸ͬ
528յݷɱձʱ527ҹɱл1÷ҹﵽ7ظʱδҲйҵdzεһָ֡ûкʹ˾ӪƷһЩҵƷƷչҪеԭܾΪЩӪƷûκεֻԼ
ǰССѼҰϲ˵˷ϲ¾ˬΪ˸ܶҲܾòϲСѾƺ˴Լ8İƣپͥύIJΪ˳50¬(Լ5.1Ԫ)ʧȺڻܾ˾óְ1994۳й˾Сձ빫˾ィ˾Сյι˾ܾ1998굣ι˾ܾ