�Ϸ�ˮ�r�M��{0.2Ԫ/��

��r�g��2010-08-06 10:44 ��Դ��̈� ��: ��x��642

5��磬�Ϸ��r�ֹ��˺Ϸ��о��ˮ�{��,��˷��,��Ϸ��ɞ�ȫʡ��һ��Lԇ��A��ˮ�r�ĳ��С��Ŀǰ��,��ˮ�r��{0.2Ԫ/��,��@�Hᘌ�ÿ��ˮ��^12��“һ��һ��”�Ñ��ռȫ�п��Ñ��7��,��ÿ��ˮ��^12��Ñ�,��r��ߡ��ˮ��δ��o��A��ˮ�r��Ñ�,��ÿ��ˮ��0.3Ԫ,��߀��ӡ�

��

�r��,��͝q0.2Ԫ/��

�˴ι��ķ�� C��,��Դ� �C��Ⱥ��m(x��)��Ŀ�򞣬�x��K�_��о��x,��M��,��˴Ε��h��ʡ�Д�(sh��)ʮ��ý�w��

��кϷ��ДM��{��ˮ�r��,��ь��һ��һ��Ӌ�r��Ñ�,��A��ˮ�r��ˮ�r��,��1��1.5��2,��

��һ��ˮ��(sh��)ÿ��ÿ��12��(��12��),��һ��ˮ��(sh��)�r��{0.2Ԫ/��һ��ˮ�r��2.35Ԫ/��,��ڶ��ˮ��(sh��)ÿ��ÿ��12��~20��(��20��),��ڶ��ˮ�r��2.77Ԫ/��,��ˮ��(sh��)ÿ��ÿ��20��ϣ��ˮ�r��3.79Ԫ/��,��

�A��Ӌ��ˮ�r=��һ��ˮ�r×��һ��ˮ��(sh��)+�ڶ��ˮ�r×�ڶ��ˮ��(sh��)+��ˮ�r×��ˮ��(sh��),��

��δ��һ��һ��Ӌ�r��ˮ�r��{��굽λ��f��,��2010��ڬF(xi��n)�Ѓr��A��{0.3Ԫ/��,��r��2.45Ԫ/��{�r֮��{0.1Ԫ/��,��K��r��2.65Ԫ/��,��M��ˮ��𣬰��A��ʽˮ�r��(zh��)��,��

�鱣�ϵ��Ⱥ�w�Ļ��,��T�˶��ı��еͱ��^�m(x��)��ÿ��4��/��ˮ�M��ߡ�

��~

�߳ɼ�ͥÿ��2.4Ԫ

��һ��һ��

89.65%�Ñ�ÿ��2.4Ԫ

�Ϸ��r��Pؓ؟�˽�B,��ǰ��^��66�f“ˮ��ѽ��,��һ��һ��”��Ñ��y�㣬��ˮÿ��ÿ��12��(��12��)�Ñ�ռ��89.65%(ռȫ�п��Ñ��߳�),��Ҳ��f�ӽ�60�f��Ϸ��м�ͥÿ�µ��ˮ��ڵ�һ��,��{��@Щ��ͥÿ��ˮ��0.2Ԫ,��ÿ�¼�ʹ�� 12��Ӌ��,��Ҳ�Ͷ��2.4Ԫ��

7.91%�Ñ�ÿ��7.36Ԫ

66�f��Ŀǰ߀��7.91%,��Ҳ��5.2�f��ļ�ͥ��ˮ��12��20��(��20��)�ĵڶ��A��,��@Щ��ͥҪ�͵Ķ�һ�c�ˣ��Ҳ��^7.36Ԫ,��ͬ��20��Ӌ��,��t�ٵ�һ��ˮ��(sh��)��12��ٵڶ��ˮ��(sh��)��8��,��ˮ�M��2.35Ԫ/��×12��+2.77 Ԫ/��×8��=50.36Ԫ,��{��ǰ��ˮ�M��2.15×20=43Ԫ��{��Ҫ��7.36Ԫ,��

2.44%�Ñ��õ��͵�Ҳ��

�ڳ��߀��2.44%�ļ�ͥ��Ҳ��1.6�f��ÿ��ˮ��^��20��,��@Щ��ͥ��ˮ��,��ĝq��Ҳ��ࡣ��Ñ��ˮ25��,��t�ٵ�һ��ˮ��(sh��)��12��,��ٵڶ��ˮ��(sh��)��8��,��ˮ��(sh��)��5��ˮ�M��2.35Ԫ/��×12��+2.77Ԫ/��×8��+3.79Ԫ /��×5��=69.31Ԫ,��

�{��ǰ,��ԓ�Ñ��ˮ�M��2.15×25=53.75Ԫ��{��Ҫ�ཻ15.56Ԫ,��

��ˮ��δ��

20�f�Ñ��ÿ��0.3Ԫ

��,��δ��ˮ��M��һ��һ��Ӌ�r��Ñ��ˮ�r��{��굽λ,��f��,��Mˮ��2010��ڬF(xi��n)�Ѓr��A��{0.30Ԫ/��(�{�r֮��һ��,��ͬ),��r��2.45Ԫ/��2011��2012��ÿ��{0.10Ԫ/��,��

�M��ˮ��,��A��ʽˮ�r��߈�(zh��)�С�

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��,��Ո��߳֙��C��c��W(li��n)ϵ��҂��r��,��h��,��x�x��