What does "shuttle supply ship" mean? Is it a ship type? "

Yes, the shuttle tender is a shuttle tender.

Supply ships are auxiliary ships, which are widely used in various fields such as commerce, medical rescue, scientific exploration and even war. They are mainly responsible for the transportation and distribution of goods. General supply ships have relatively large displacement (except medical life-saving supplies) and strong carrying capacity. Shuttle supply ship (SSVL) Shuttle supply ship, generally used in the military, shuttles to and from fixed sea areas. Two UT755L (improved UT755) sold by Norway to India in 2005 belong to SSVL.

At present, Shanghai, Wuhu, Yantai-Dalian, Zhejiang and so on. , are relatively large, completed the independent research and development process of electrical parts, and the similar level is close to the manufacturing level of developed countries. The power of ships ranges from several hundred to tens of thousands of horsepower.

However, some major domestic purchasing units are still mainly importing, and SSVL can't be found, but the import of supply ships accounts for 68.7%, in 2004 (sorry if it can't be found in 2005). The material supply ship for this Antarctic expedition is made in Germany; Zhanjiang marine police escort two platform supply ships made for Fergieson company in Scotland; Bollinger Shipyard made in Shanghai1998; 1990, IvS, a German/British company, was responsible for Hong Kong.

That's all we have, so we can't know anything about the navy.