【单选题】The sequence of parts in a generally used fuel oil supply system for a main engine is _________.1tanks in the double bottom; 2 centrifuges;3 service tank; 4 settling tank; 5 viscosity regulator.
【单选题】The sequence of parts in a generally used fuel oil supply system for a main engine is _____(1) tanks in the double bottom; (2) centrifuges; (3) service tank; (4) settling tank; (5) viscosity regulator...