A.the same piston
B.the piston nearby
C.the other pistons
D.the generators on board
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A.inside
B.before
C.after
D.against
A.gap
B.clearance
C.radius
D.stroke
A.to interfere with
B.interfering with
C.to help scavenging
D.helping scavenging
A.to interfere with
B.interfering with
C.to help scavenging
D.helping scavenging
A.a starting system
B.the starting air
C.a starting operation
D.A, B and C
最新試題
Electrically operated safety devices on auxiliary diesel engines function to stop the engine by （）.
If the main engine of an unattended engine room shuts down automatically, it will be indicated by an alarm （）.
Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Routine monitoring of a diesel engine should include （）.
The function of diesel engine piston compression rings is to （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
White smoke exhausting from an operating diesel engine may indicate （）.
The main purpose of the piston oil scraper rings is to （）.
Which of the two events listed occurs simultaneously in a two-stroke/cycle diesel engine?（）
A diesel engine piston ring face is in direct contact with the （）.