A.nip
B.nap
C.gap
D.lip
您可能感興趣的試卷
你可能感興趣的試題
A.less than
B.lighter than
C.larger than
D.smaller than
A.less than
B.lighter than
C.larger than
D.smaller than
A.smoky
B.a little bit dense
C.visible
D.almost invisible
A.the pressure of the starting air is high enough
B.there is enough air in the air reservoirs
C.the air is supplied into the cylinders in the appropriate sequence
D.all of the above
A.the start fails
B.the fuel pumps will be put into operation
C.the fuel valves are damaged
D.the combustion process will take over
最新試題
What is the function of the thrust bearing?（）
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
To determine if the lube oil filter elements need changing, （）.
A diesel engine piston ring face is in direct contact with the （）.
In a simple mechanical governor, the （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Combustion knock occurring in a diesel engine can be caused by （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.