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
The highest pressure in a diesel engine cylinder normally occurs （）.
An automated diesel engine should normally shut down due to （）
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
The ability of the governor to prevent fluctuations in engine speed is termed （）.
A thrust bearing is used with a propulsion diesel engine to （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
Diesel engine control can be obtained by the bridge （）.
A diesel engine piston ring face is in direct contact with the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.