比如这个 ppt ,只能预览吗,有办法下载下载吗?
https://echinc-1313089173.cos.ap-beijing.myqcloud.com/reskj/671f6e84-d697-ca82-87b6-dc9de93b7ecd.pptx?sign=q-sign-algorithm%3Dsha1%26q-ak%3DAKIDLUMxINBiyxf6F8k58uPcYDgwvfAOL1PX%26q-sign-time%3D1716802814%3B1716804614%26q-key-time%3D1716802814%3B1716804614%26q-header-list%3D%26q-url-param-list%3D%26q-signature%3De72ff3a81c3c837169615870235828a4d20ded93&ci-process=doc-preview&dstType=html&htmlwaterword=c2hlcGhlcmR4