Kèo nhà cáiѸ֮䴫ֽûЧԤʩƷʿɸߴ90%1976귢ְǸչ𣩵ھŴα
Կ½ϸ̨嵱ֵΪ̨ڵĽȨûΪֻٵWHAж̨ڡ塱ȨסϺͷݹ֡ڽһ淶ƷΪй֪ͨȷزͻִҵԱڿչҵʱóڴȡͨǩͬΥ潻÷ϢδʵϢۻ߸ʽյʹ˽Ʒ۸
ȥһʱаĹϵаһЩĺзԸ⿴һʱ߲ŮʿϣаĹϵԸйķչһЩȷʶзϣķر̬ʵʵжΪϵתͽȶչҪҲ˵ⳤǴӸӸͺ۵IJȷķıʶϵؿйķչʶйķչǻܴɫ۾йʶΪаĹϵתͳڽȶչҪ
ĿǰĽڹ˰˰25%ֵ˰˰Ϊ17%˰˰Ҫݷ˰ʴ1%~40%ŽСӢšƻķֶ߳ж˲ŵҲ뵽˸߳ΪθؽƿƵ?רָйǰͶԶȱͳɱйҲزĿйԺо鳤ƾͬʱ뱱ϺȡĿ˿ڹģй仧Ϻһ߳Ҳ߳˲Ŵ˻3һĸ﷽齨ίԱǸίԱ״ϰƽԡ˧ԺǿмίּʵίԱĸ߹Ӧò