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
A.piston rings B.valve guides C.valve seals D.all of the above
A.excessively late fuel injection B.oil in the air charge C.water in the fuel D.injection continuing after the fuel charge is ignited