̎��ȹ��I(y��)�Uˮ�Ļ��W(xu��)��

��r(sh��)�g��2011-06-17 10:04 ��Դ��ұ�� : ��x��1822

ժҪ:��(ji��n)Ҫ��B�ˇ�(gu��)��(n��i)��Ի��W(xu��)��̎��ߝ��鹤�I(y��)�Uˮ��ԇ�(y��n)�о��I(y��)��(y��ng)�à�r,ӑՓ�˻��W(xu��)��鹤ˇ�е��P(gu��n)�I�Թ��,ָ��ú��M�ɏ�(f��)�s(��,��F��}�x�ӵ�) ��(w��n)��Բ��롣��m��(y��ng)Ŀǰ�h(hu��n)��o(h��)�ć�(y��n)��Ҫ��Լ��M��܌�(du��)�U��M(j��n)��YԴ��̎��,�J(r��n)�錦(du��)��ؽ��ٝ�ȸ�,��Ҏ(gu��)ģ��ďUˮ,��(y��ng)��ҕ�C��չ�ˇ�о�,��

�P(gu��n)�I�~:��;��I(y��)�Uˮ;��W(xu��)��;̎��

�黯��һ�㶼�ж��,�䶾��c��Ļ��W(xu��)��|(zh��)�̓r(ji��)�B(t��i)��P(gu��n)��r(ji��)��Ķ��Ա��r(ji��)��ĸ߳��s60 ��[1 ] ,��r(ji��)��w��(n��i)��(hu��)��߀ԭ�D(zhu��n)��r(ji��)��,��,��w��(n��i)��@�ķe��,��w�z��^��黯��,��(j��ng)�^1��2 a ,��ʮ��ʮ��,�п��ܕ�(hu��)��F(xi��n)��ж��Y[2 ] ��,��鹤�I(y��)�Uˮ��횇�(y��n)��̎��

�ɵV,��ɫ��ұ��,��Ƃ䡢��,��Ⱦ�ϼ��r(n��ng)ˎ��a(ch��n)�ȹ��I(y��)�I(l��ng)��ų��ďUˮ��, ��|(zh��)��ȸߵ��_(d��)ÿ��(sh��)�ٺ��,��(sh��)ǧ��[325 ] ,��(g��)�e�ĺ��y��V��Һ��|(zh��)��ȸ��_(d��)20��56. 5 g/ L[ 6 ] ,��ܶ��Uˮ��,��Ҫ��r(ji��)��ʽ��,Ҳ�е��Ҫ��r(ji��)��ʽ��ڡ�

��Uˮ��̎��,��20 ��o(j��)60 ��яV��P(gu��n)ע,��Ŀǰ,̎��Uˮ�ķ��Ҫ��[7 ] ��W(xu��)��ﻯ��΢��﷨,��ﻯ��ͨ��x�ӽ��Q,��ȡ��B͸�ȷ��,��΢��﷨�л��෨,��干��w��Ͷ��෨�ȡ�һ��,΢��﷨��и�Ч,��(j��ng)��(j��)�ҟo��Ⱦ�ȃ�(y��u)�c(di��n),��,�ѳɞ鹫�J(r��n)��߰l(f��)չǰ��̎��,��W(xu��)��ɼ�(x��)�֞��:һ��ǌ��һ�N��g�a(ch��n)��,Ȼ��D(zhu��n)��a(ch��n)Ʒ��[3 ] ,�@�N��Ա��L(zh��ng)�ڴ��^��п��ܮa(ch��n)��Ķ��Ⱦ;��һ��ǌ��鷀(w��n)��Ļ��,�@�N��Ŀǰ̎��^�ߵĹ��I(y��)�Uˮʹ�õ��ձ�ķ��,��o(j��)90 ��ǰ,��ú�(ji��n)�ε�ʯ��кͳ��̎��Uˮ,��õĺ��(��}��) ��β�V��з��,ʹÿ��β�V�؏Uˮ��|(zh��)��ȸ��_(d��)�׿�[8 ] ,��Ŀǰ��^�ٲ��,��^��ĳ��鷽��,�ļ��g(sh��)��v,��H��횴_��̎��ˮ�_(d��)��h(hu��n)��Ҫ��,��и߷�(w��n)��,�m��L(zh��ng)�ڴ�š�

��(j��)��ڵ��īI(xi��n),��B��Ŀǰ�V��о��õ��r(ji��)�F�x��c��r(ji��)�鷴��(y��ng)��A(ch��)��̎��ߝ��鹤�I(y��)�Uˮ��P(gu��n)��ˇ,��؄e�ἰ�˻��W(xu��)��õĺ��,��F��}�ĳ��䷀(w��n)��Բ��, ��,��(du��)ԓ��һЩ��,��P(gu��n)ע,��

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