鏈12鏈?6鍙鳳紝2鏈?鍙穊瓚呭瓙瀹澶?

問題描述鐥呮儏鎻忚堪鍙婄枒闂細鏈12鏈?6鍙鳳紝2鏈?鍙穊瓚呭瓙瀹澶э紝瀹唴鏈変竴涓恫鎬ф殫鍖哄ぇ灝?.1*0.7鍘樼背錛屾殫鍖哄唴鏈鍗甸粍鍥婅窡鑳氳娊錛岃闂繖鏍鋒槸瀹唴瀛曞悧錛屾甯稿悧