26. Which feature is indicated by a gradually rising pressure in the crankcase of trunk piston diesel
engines?
(A) Crankshaft wearing
(B) Blow-by
(C) Water leakage
(D) Fuel dilution
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統計: A(250), B(748), C(47), D(83), E(0) #2887328
統計: A(250), B(748), C(47), D(83), E(0) #2887328