-ag凯发k8国际
��ʒ ��ҵ ����۸� ��ĩ�۸� �ǵ�
r134a ���� 17500.00 31000.00 77.14%
������ ���� 9166.67 14366.67 56.73%
����� ���� 9530.00 12600.00 32.21%
����ʯ ���� 5800.00 7300.00 25.86%
r22 ���� 14333.33 18000.00 25.58%
���ȼ��� ���� 3650.00 4375.00 19.86%
өʯ ���� 2718.89 2855.56 5.03%