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2	��܇ʽ��C(j��)	��	4 �� 30	�� 1 ��oˮƽ��,�� 2 ��ˮ��γ��ء�	0.01~10.002	0.6	��(y��u)�c(di��n) :(1) ��Δ�(sh��)��_�� .(2) ��(d��ng)��Ó�xˮ�� . �z�޷�� .(3) �س̕r(sh��) , ��ΰ� , ��_��(d��ng)�� ȱ�c(di��n) : ��ԭ��O(sh��)�ڑ�� , �דp��	(1) ��ΰ��(y��ng)��ò��P䓽z�K .(2) �г��_�P(gu��n)��λ�Ñ�(y��ng)�{(di��o)ԇ��(zh��n)�_ .
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5 6 7	�Ғ�ʽ��Ă��(d��ng)��C(j��) ��ʽ��Ă��(d��ng)��C(j��),��C(j��) ��߅��(d��ng)��,��C(j��)	�A��	Φ 6 �� 12 Φ 14 �� 60 Φ 14 �� 100	(1) �oˮ��ʽ�� (2) ��ˮ�� (3) ��ˮ��γ��ع�� (4) ��ˮ��γ�� (5) ��s��	0.083~0.1 0.083~0.1 0.083~0.1 0.083~0.1 ƽ�� ~0.05 0.25~0.167	��⾉�ΰ�� 1~3	��(y��u)�c(di��n) :(1) �Y(ji��)��(g��u)�� .(2) �\(y��n)�D(zhu��n)�B�m(x��) , �� ȱ�c(di��n) : ��ٶ��ܹΰ��⾉��ٶȿ�� .	(1) ˮ��S�Б�(y��ng)��]�ܷ� . (2) ��Ă��(d��ng)ʽ�(q��)��(d��ng)Ť��^�� , ע��C(j��)е�ď�(qi��ng)�� .(3) ��߅��(d��ng)ʽ��(y��ng)ע��߅�L݆�� .
8	�C(j��)е��ع��C(j��)	�A��	Φ 3~6 Φ 7~15	�C(j��)е��	0.083 ��ﾀ	��⾉�ΰ�� 1.8~3.4	��(y��u)�c(di��n) : ��ص� ȱ�c(di��n) :(1) ˮ��(d��ng)��ęz��^��y .(2) �N�Xĥ�p , ��ײ��X .	(1) ˮ��S�Б�(y��ng)��]��ˮ�� .(2) �N�X��ϑ�(y��ng)�ɿ� .
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