换押是指公、检、法机关或部门，在办理刑事案件过程中，需要将案件移送其他机关或部门，或者需要延长羁押期限时，依据有关法律的规定，制作、移送法律文书，并将有关手续及时送达羁押场所登记的一种制度。现行的换押制度包括两项内容：一是制作《换押证》、《延长羁押期... The exchange of pledges means the public security organs, prosecutors and the law agencies or departments that, in the process of handling criminal cases, need to transfer the case to other organs or departments or extend the period of detention, and make and transfer legal documents in accordance with the relevant laws A system of timely registration of detention places. The current system of detention includes two elements: one is to make “exchange warrant”, "extend the period of detention ...