“海关过境手续”是指在海关管制下将货物从一处海关运到另一处海关的海关手续。

"Customs transit procedure" means the customs procedure under which goods are transported under customs control from one customs office to another.

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后经浦东边检站多方联系，最终设法确认了陈小姐订票记录，并赶在航班起飞前为其办理了过境手续。

After a multi-link Pudong Frontier Inspection Station, and ultimately try to Chan confirmed booking records, and in time for their flight before take-off procedures for the transit.

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答：办理72小时过境免签手续的外国人不得离开北京或上海行政区域。

Answer: : a foreign national with the 72-hour transit visa exemption may not leave the administrative precincts of Beijing or Shanghai.

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