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<br>A:(1)-(2)-(4)-(3)-(5)<br>B:(1)-(4)-(2)-(3)-(5)<br>C:(1)-(3)-(2)-(4)-(5)<br>D:(1)-(5)-(4)-(2)-(3)

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
A:(1)-(2)-(4)-(3)-(5)
B:(1)-(4)-(2)-(3)-(5)
C:(1)-(3)-(2)-(4)-(5)
D:(1)-(5)-(4)-(2)-(3)

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