I searched with Google with the keywords “umbilical, pipe” and found that umbilical might be a kind of flexible tube reinforced with spiral wire (the one shown in your photo), but I could not find the Chinese translation. May be XX软管?
http://www.chemyq.com/expert/ep88/874288_4EB6E.htm 软管在深海采矿系统中是连接中继舱和集矿机的输送枢纽, The flexible pipe for deep sea mining is the umbilical cord of transport which links mine -collecting machine and relcy buffer