��ʽ�w��ӳ��m��

��r�g��2010-06-24 17:16 ��Դ�� : ��x��2728

1 ��ˇ��

�T��U��→�g�ӿ՚��s��ֱ��ˮ��s→��L��m��→��ʽ�w��ӳ��m��→�U��_��ŷ�

2 ��ˇ̎��^�̺��

�U�⽛(j��ng)�ܵ��Φ50 cm��Ƚ�(j��ng)�՚��g��s,��ڹܵ��(n��i)��O��,��ֱ��M��ˮ��s��sˮ�Ϊ��s��,��(j��ng)��s��,��s��ďU��ٽ�(j��ng)�^��L��m��M��̎�� ȥ��е��^��w��,��(j��ng)��ʽ�w��ӳ��m��M��̎��,��

3 ��ˇ�еļ��(ji��)��}

��1��g�ӿ՚��s��L��m��O��׌�,��׌Ӄ�(n��i)�ğ�՚��t��(n��i),��_��ˏU�⽵�ص�Ŀ�ģ��ֻ��˟��,��Fˮ�ض�,��T��t�Ľ��F��,�� ʹ��F��ԭ��1��6 ~ 7 ��1��8~ 9��FЧ��,��

��2�� w��ӳ��m��(n��i)��_�y��֧��,��ʯ��V�ϣ��2 ~ 4 cm,��ȼs20 ~ 30cm,��ό��0.5 cm��ȼs7 ~ 8 cm,��V��ϲ��O�Ç��^,��ʹˮ�ܸ��w��m��(n��i)ȫ��g��m��g��ֱ�O�Ó��,��m��ƽ��ֳɃɲ��,��g��˞V�Ϻ�ȡ�

4 ��mЧ��

��(j��ng)�O(ji��n)�y,��̎��U��зۉm��ȿɽ��135 mg/m3 ��, ��܉�M��GB 16297—1996 �е�Ҏ(gu��)��,��Ͷ�Y�sռ��m��һ�룬�\��M��^��,��

5 ��ˇ�д��ڵĆ��}��ע��

��1��ˇ��ˮ��^��,��轨�O��T��s��Oʩ��ռ��e�^��,��

��2��̎��U��ˮ��^��,��ˌ��L�C�͟��ĸ��g��s��ʹ�É��,��

��3��ڌ��V�ό��M�з��ϴ,��C��mЧ�ʡ�

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