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在上海吗？
如果在上海可以 找我 E-amil：[email=baomin@oa25.com:1qtib5gb]baomin@oa25.com[/email:1qtib5gb]
既然是GPL软件肯定是可以免费使用的，官网上的那些是定制开发和维护服务费用