A.read/sufficient
B.consult/sufficiently
C.read/sufficiently
D.consult/sufficient
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A.the distance between them remains the same
B.the distance between them is changing
C.the position between them is not changing
D.their positions to the earth remain the same
A.the period of time during which no trouble occurs to the engine
B.no trouble will occur to the engine all its life
C.trouble may occur freely to the engine
D.no matter what you do to the engine, no trouble will occur during this period
A.after the point is reached at which the failures begin to increase rapidly
B.before the point is reached at which the failures begin to increase rapidly
C.before the point is reached at which the failures begin to increase slowly
D.after the point is reached at which the failures begin to increase slowly
A.no equipment in contact with sea water
B.less equipment in contact with fresh water
C.more equipment in contact with sea water
D.less equipment in contact with sea water
A.the temperature
B.the rust
C.the pressure
D.the humidity
最新試題
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
A thrust bearing is used with a propulsion diesel engine to （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
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 （）.
Combustion knock occurring in a diesel engine can be caused by （）.
In using reduction gears to obtain efficient propeller speeds, （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.