A.damage
B.form
C.dissolve
D.contaminate
您可能感興趣的試卷
你可能感興趣的試題
A.strength
B.dense
C.percentage
D.velocity
A.the pulse-phase system
B.the pulse Doppler system
C.the pulse system
D.the pulse interval
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
最新試題
In using reduction gears to obtain efficient propeller speeds, （）.
What causes diesel fuel to be ignited in the cylinder of an operating diesel engine?（）
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.
Proper filtering and straining of fuel oil is important because the （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
The function of diesel engine piston compression rings is to （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.