你可能感興趣的試題

The mechanical exhaust valve operation system is replaced by（）in an electronic controlled ME engine.

A.a system with a Hydraulic Power Supply (HPS) unit
B.a system with roller guides for exhaust valves
C.a system with an electronically controlled Alpha Lubricator
D.a system directly powered by electric motor

單項選擇題

（）is not a feature of the electronic controlled engines.

A.Lower fuel consumption
B.Better balanced cylinder power
C.A shorter overhaul period
D.Less smoke emission