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【家电资讯-家电新闻 - 营销视野，作者 ：编辑】一个四口之家的衣食住行需求
，相对来说好满足，若是换成容纳400张床位的医院、4000名学生的校区呢？显然，从个人到群体，从私人住宅到公共建筑
，服务对象及