A.the cylinder cover
B.the piston rings
C.the piston crown
D.the piston skirt
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A.whatever
B.whenever
C.wherever
D.whoever
A.scavenging
B.starting
C.cooling
D.blowing
A.make use of
B.have made the use of
C.by means of
D.make advantage of
A.are made of
B.are made from
C.make use of
D.are used to
A.the clearance of the main bearing
B.the diameter of main bearing
C.the hardness of main bearing
D.the tolerance of main bearing
最新試題
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Diesel engine control can be obtained by the bridge （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
Maximum horsepower of a diesel engine is attained （）.
Lube oil cannot be efficiently filtered if its （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.