A.sufficient quantity； measured
B.measured quantity；sufficient
C.excessive quantity；sufficient
D.the less quantity the better；the more the better
您可能感興趣的試卷
你可能感興趣的試題
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
A.a filter
B.a strainer
C.a magnetic filter
D.a fine strainer
A.tank
B.sump
C.vessel
D.bottle
A.a coil spring
B.a sealing ring
C.an oil distributor ring
D.main seal ring
A.the crosshead
B.the journals of the crosshead
C.the crosshead shoes
D.the guides
最新試題
Proper filtering and straining of fuel oil is important because the （）.
In a simple mechanical governor, the （）.
For a given size engine, the two-stroke/cycle diesel engine will deliver more power than a four-stroke/cycle diesel engine because （）.
A thrust bearing is used with a propulsion diesel engine to （）.
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
Diesel engine control can be obtained by the bridge （）.