There are 18 fluid systems in CARR. They are respectively: the reactor coolant system(RCS); the secondary cooling water system; the heavy water cooling system; the secondary shutdown system; the helium system; the vacuum system; the warm-layer circulation system; the emergency core cooling system(ECCS); the isotope chamber water cooling system; the pool-water feed and drain system; the reactor coolant purification system; the reactor pool-water purification system; the heavy water purification system; the heavy water condense system; the intermediate-level waste There are 18 fluid systems in CARR. They are respectively: the reactor coolant system (RCS); the secondary cooling water system; the heavy water cooling system; the secondary shutdown system; the helium system; the vacuum system; the warm-layer circulation the emergency core cooling system (ECCS); the isotope chamber water cooling system; the pool-water feed and drain system; the reactor coolant purification system; the reactor pool-water purification system; the heavy water purification system; the heavy water condense system; the intermediate-level waste