openEuler-22.03-LTS-SP2-everything-x86_64-dvd.iso 分成18份：
part17: https://download.csdn.net/download/weixin_43800734/88219189
part18: https://download.csdn.net/download/weixin_43800734/88219185
part15: https://download.csdn.net/download/weixin_43800734/88219187
