A.should be scraped
B.should be derusted
C.should be drilled out
D.to be brushed off
您可能感興趣的試卷
你可能感興趣的試題
A.a bridge gauge
B.a micrometer
C.a thermometer
D.a indicator
A.the burning
B.the fuel
C.the air charge
D.the engine piston
A.welded
B.replaced
C.drilled again
D.bored
A.end-chock bolts
B.side-chock bolts
C.through bolts
D.tie rods
A.the gap
B.the clearance
C.the bore
D.the housing
最新試題
The main purpose of the piston oil scraper rings is to ().
Lube oil filters remove contaminants more efficiently if the oil being filtered is ().
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 ().
White smoke exhausting from an operating diesel engine may indicate ().
Proper filtering and straining of fuel oil is important because the ().
In using reduction gears to obtain efficient propeller speeds, ().
When would the available energy of the exhaust gases of a two-stroke/cycle diesel engine be insufficient to drive an exhaust gas turbocharger, resulting in the incorrect amount of air for combustion?()
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?()
How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
A thrust bearing is used with a propulsion diesel engine to ().