��ﻯ��׹��̷��^

��r�g��2009-12-24 15:53 ��Դ�� : ��x��2967

��Ҫ:��B��ﻯ��ڳ��ˮ��̎��еđ��r,��һ��̞��ﻯ��׹��л��O(sh��)ʩ,��oˮ��ˇ��һЩ��,��N��ͬ��̷��M��˱��^��J�錦�½��ﻯ�Ϊ��ˮ̎��S,��ط��@�ă�(y��u)�c,��

�P(gu��n)�I�~:�ﻯ��׹��̷��g(sh��)��(j��ng)��^��

0��

�ﻯ��׷��ˮ��Ͷ��x��c��ˮ��γɲ��Ի��,��һ��ˮ�ЉA�Ԛ��,��a(ch��n)��w��ʹ��ܽ��Կɳ��wԽ��Խ��,��Ȼ��ˮ�з��x��,��_��Ŀ�ġ��õĳ��ˎ��,��@Щˎ��ܽ��Ҹ��Ͷ��ˮ��,��ˎ��Ͷ��(j��)��Ҫ�󡢷��l��,��Ͷ��c�Ȳ�ͬ��ͨ�^Ӌ��_��ˮ��Ͷˎ��,��ˎ��c��ˮ��,��^��ʮ��Ҫ�ģ��,��ʩ��,��Ӱ푺��m(x��)��Һ��x��Ķ�ֱ��Ӱ푳��Ч
��,��Y�ϱ��,��Ҫ��ˮ��ֵС��1mg/l�t��ˮ�Ҹ����15mg/l��£��@��f��Ҫ��õĻ��,��,��l��Ҫ�r��ˮҪ��(j��ng)�V��^�V̎��,��_��ŷ�,��

��Ҫ��ﻯ��^��л�ϡ��O(sh��)ʩ,��oˮ��ˇһЩ�ɹ��,��N��ͬ��̷��M�б��^��ͬ�ʅ��

1�ﻯ��̎��ˇ�đ��

1.1�ﻯ��̎��ăɷN��r

��ﻯ��̎��ˇ��ɷN��ͬ��r��

��һ�N��r��ѽ��ɶ��̎��S,��S��ˮ�ŷŘ˜ʵ��,��Ҫ��̎��S��ˮˮ�|(zh��)�к��ֵС��1mg/l��˕r,��ڬF(xi��n)��̎��A(ch��)��Ҫ��ﻯ��״�ʩ,��M�ɶ��̎��ˇ��

�ڶ��N��r��ˮ̎��S�д��O(sh��),��̎��ˮˮ�|(zh��)Ҫ��ˮ�ŷŘ˜�,��Ó��׶��ˇ��ԓ��ˇͶ�Y�c��(j��ng)��M��^��,��Ќ��,��Ó��׻��ȳ��ו��Ó��Ó��׹�ˇ,��@�ӿɜp�ٽ��Ͷ�Y,��@�N��ښW��؄e�ڱ��W�õ��^��,��Ϻ��ˮ��ڹ��̽��O(sh��)�^��,��y��ԃ��]��ȳ��׵��k��ȳ��ױ��Ó��M��С,��ڴ��r��,��Ҫ��ﻯ��׹�ˇ��Ҳ�Qһ��̎��ˇ,��

��һ�N��r,��ѽ��ɶ��̎��S��ﻯ��״�ʩ�и��N��,��,��½��ﻯ��ˮ̎��S��t�Ǳ��ӑՓ��c��

1.2�׷N��ͬͶˎ�c

��ѽ��ɶ��̎��S��f��һ�N��r��,��Ҫ��߳��Ч��,��ﻯ��׷��Ͷˎ�c��׷N��ͬ�x��D-��ʾ��,��һ�N��,��ǰ�ó��ڳ��ǰͶˎ,��ڳ�ɰ��ǰ��߳�ɰ�غ�Ͷˎ,��ڶ��N��ͬ��,��ڳ��س��,��ؚ��,��л��ؚ�س��Ͷˎ��N��,��ó��,��ڶ��س��Ͷˎ��Ҫ��µĻ��,��ͳ��O(sh��)ʩ,��ķN��ͬ��c��^�V,��ڶ��س��ڻ��Ͷˎ,��ý��|�V�ط��x��V�ض��ڷ��_ϴ,��

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