The deck water seal of the inert gas system（）.
A. cools the inert gas and prevents soot from entering the cargo tanks
B. acts as an emergency system shutdown when the inlet pressures exceed the safe working pressure in the hazardous zone
C. prevents the backflow of hydrocarbon gasses into nonhazardous areas
D. relieves sudden large overpressures in the system
微信支付 
支付宝支付