A.between；to
B.either；or
C.from；to
D.neither；nor
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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
A.resisting oxidization
B.reducing friction
C.promoting moving speed
D.developing inertia
最新試題
Maximum horsepower of a diesel engine is attained （）.
To determine if the lube oil filter elements need changing, （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
A thrust bearing is used with a propulsion diesel engine to （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.