Cách đọc kèo châu Âuҵ»ظÿվűʾͳ㶫ͽվ״ͻ2Ԫǰλڵλķֱɽ㽭ͺкϵ״ͻһԪ
1980ζ˹2014οιܼ쳤˹οļԱſǻع˹
̨塶лձ2ָӹ51̨֡ϽDzӢľֶ̨Ͻİ1ղӢĺ̨ܲŵķӦ۲ǿڿƺΪйറʾΪһһƽӾϵˮЪʾ˸˵ȥѡɡʱΪ仰DzԵȷ˵Ӧǡǿԡǡԡٸҵ˵仰ʱ˭ȥѡûϵ
ܵһС̵ſұɱˡ̵ϰdzҵʱڴ绰̧ͷһѪŻû˭5Ѯ½ȾΪʱܳжȾ;Ϊ3~5ǰбΪȾҪȾΪO3;ϲΪ5պ~7ܽˮӰΪ8~11бȾжȾҪȾΪO3;ϲΪ12~14ɢбȾغֲжȾҪȾΪO3;ϲΪ15ܽˮӰΪ