A.present
B.prevent
C.avoid
D.provide
您可能感興趣的試卷
你可能感興趣的試題
A.is scavenged
B.has been scavenged
C.be scavenged
D.was scavenged
A.is scavenged
B.is atomized with fuel oil
C.be scavenged
D.be atomized with fuel oil
A.well
B.good
C.excellent
D.respectively
A.lime
B.frost
C.scale
D.scar
A.scar
B.scale
C.spur
D.bilge
最新試題
What causes diesel fuel to be ignited in the cylinder of an operating 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 （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.
A diesel engine piston ring face is in direct contact with the （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
Maximum horsepower of a diesel engine is attained （）.
Combustion knock occurring in a diesel engine can be caused by （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
What is the function of the thrust bearing?（）