A.the pulse-phase system
B.the pulse Doppler system
C.the pulse system
D.the pulse interval
您可能感興趣的試卷
你可能感興趣的試題
A.more than the working temperature
B.less than the working temperature
C.the working temperature
D.the same as the surrounding temperature
A: Please tell me the specifications and quantity.
B: （）
A.Pump diesel oil first
B.300 tons of 180 cst fuel oil
C.The figure is all right
D.OK, I’ll sign it
A.of
B.up of
C.from
D.out
A.piston skirt
B.piston crown
C.guide way
D.cross-head
A.between；to
B.either；or
C.from；to
D.neither；nor
最新試題
What is the function of the thrust bearing?（）
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
The function of diesel engine piston compression rings is to （）.
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?（）
In using reduction gears to obtain efficient propeller speeds, （）.
The ability of the governor to prevent fluctuations in engine speed is termed （）.
Lube oil cannot be efficiently filtered if its （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
Routine monitoring of a diesel engine should include （）.
In diesel engines, the four basic events (intake, compression, power and exhaust) are performed once in （）.