Cách đọc kèo châu Âu갰һ漴ЦҡͷԼǡ磬Ȼ裬Щ˵ķģƾͼƣЩܲٵע⣬û룬ϱǰѾӳ죬Ҫɱˣʵûʲôϱæʱҹ˯ֻˮͳȥԹ˵Ϣһ㶼ǺܹҲнġ
ɻĿ˳¹һۣͷĿ⿴ʢһտ̨棬һΣԽ𣬲ٽ츮һſɡ~õλʷҪ500ɾ͵㡣ԺУͻȻϵͳһĿ⿴ѣû취Ľ죬֪Ҳǹඥ佫ںλڴʣͷ۵佫û̫ӡ˲ŵ⣬¹ȻҲȽģʢ츳Ҳб£չ£պһδزܶһ档
ɡûɽЩϵϻµҰãǴ˸飬Ҫά־ӸǿȵѵӪʳϣὫ壬˵ϴصIJֿ⣬ݡضȱֻʳȴȱɽѾٲӵѵûɣˣ˸ʱҪһͷţ˿ڡԼ֪ΪڿǵӰ֮ԼͻȻӿһŭķŭһֹҵŭ⣬Ӱ˿չֳףĵﲻԸԷս֮ϣǰļ䡣ɱԽԽľͻȻһ֣һͬװŭ
˴νΨһԣɹŻ˷Ľϣٴϵͳս˲Ž⣬ɾ͵Ļȡʽÿһսۣ۴Сóɾ͵㣬ս۽һ˳Ϊսʽţ˴ĿӪɱµɱܲٴʱѾսתƵԬϣϵͳĬΪܲٷɱս۽⻰ǰ˵˵ҲˡҡҡͷЦսϣûܹз˶ʱŭһȡߣʿԷ