凡毕业、退学、开除学籍等留学生，从相关部门发出离校通知之日起一周内，或在学校通知离校期内须办理退宿手续并离开国际学生公寓。
Students need to check out by the date as noticed by the university, or within one week after they formally graduate, quit school or are dismissed from school.
会员卡未消费者，会员凭有效证明可以自由申请退卡，未使用的会员费予以退还，但须收取卡内金额10%的手续费，同时终止会籍。
If you did not consumer at all, you can cancel the card with a valid certification, with 10% of overall amount in the card for discharge fee, and terminating the membership.
非开挖反向回拉扩孔施工过程中时常出现钻杆正转而发生退扣，造成钻具孔内脱落事故的反常现象。
The dropping buckle usually occurs when reverse pulling is used for expanding the bore in the trenchless construction, thus causing the fall-off of the drilling tools.
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