A.piston skirt
B.piston crown
C.guide way
D.cross-head
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A.between；to
B.either；or
C.from；to
D.neither；nor
A.to help
B.to limit
C.to protect
D.to remove
A.a reduction
B.an increase
C.an outing
D.a downwards
A.cylinder cover
B.cylinder block
C.cylinder frame
D.bed-plate
A.tie rods
B.through bolts
C.lead wires
D.bearing caps
最新試題
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
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 main purpose of the piston oil scraper rings is to （）.