A.a motor-driven steering wheel
B.a pneumatic steering wheel
C.a hand-driven steering wheel
D.an electric steering wheel
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A.the bearing
B.the crosshead
C.bosses
D.bridges
A.make the engine stop
B.regulate the timing of camshafts
C.make the rpm stabilize at any required value
D.make the engine run at nearly constant speed
A.connecting rods
B.main bearing
C.column
D.tie rods
A.not；but
B.neither；nor
C.either；or
D.not only；but also
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
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White smoke exhausting from an operating diesel engine may indicate （）.
Proper filtering and straining of fuel oil is important because the （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
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To determine if the lube oil filter elements need changing, （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
In using reduction gears to obtain efficient propeller speeds, （）.