单项选择题
A.bearing shell B.bearing liner C.compression plate D.lead wire
A diesel engines crankcase oil level is found to be too...
单项选择题A diesel engines crankcase oil level is found to be too high√ You should suspect that （）.
A.the engine was over filled B.there might be a fuel leak C.there might be a water leak D.all of the above
A diesel engine is similar to a gasoline engine except ...
单项选择题A diesel engine is similar to a gasoline engine except that the former has no （）.
A.cross-head B.cylinder C.connecting rod D.spark plug
A common trouble with the fuel pump plungers or fuel va...
单项选择题A common trouble with the fuel pump plungers or fuel valve spindle is （）.
A.broken down B.stuck C.oil leakage D.carbonized
