In a diesel engine, an integral liner is one in which the cooling water () Ⅰ.flows through the cylinder liner jackets Ⅱ.touches the outer side of the liner
A:Ⅰ only
B:Ⅱ only
C:both Ⅰ and Ⅱ
D:neither Ⅰ and Ⅱ
出自:海船船员证