ʯı÷ڰװл¶״£ܻܲҪضӹصļͲֵ֤ٲֵDz
˿Ĺ滮ڽṹ滮ǿֵӰṹѰʯǵṹЧ°װƶṹܶȻǿδĿռ
ٶలװЩǽֲֲԼֽṹȻ״⣺ʩԱʯɺʯͷʵȲ߰ӾЧﲻ淶Ҫʯеƽⳬʯ
ٿʯ35ʯʯװѡûе˹ϵʩҪûеװϲԽʯ߶ȵ1/2,˹ܱߵĿʯڷŻһϸʯʵȻټװ֤صִĿ1.7t/m3.СʯӦҪڲ
治Сʯ¹ʯСһЩ鹤ʯǽԴһЩʯҪҪ漸ʯڲʯϱʯʯϿϡʹʯϱ߶
ʯı÷ڰװл¶״£ܻܲҪضӹصļͲֵ֤ٲֵDz
˿Ĺ滮ڽṹ滮ǿֵӰṹѰʯǵṹЧ°װƶṹܶȻǿδĿռ
ٶలװЩǽֲֲԼֽṹȻ״⣺ʩԱʯɺʯͷʵȲ߰ӾЧﲻ淶Ҫʯеƽⳬʯ
ٿʯ35ʯʯװѡûе˹ϵʩҪûеװϲԽʯ߶ȵ1/2,˹ܱߵĿʯڷŻһϸʯʵȻټװ֤صִĿ1.7t/m3.СʯӦҪڲ
治Сʯ¹ʯСһЩ鹤ʯǽԴһЩʯҪҪ漸ʯڲʯϱʯʯϿϡʹʯϱ߶