The working cycle of a four-stroke diesel engine consists of four events:（）
(1) compression
(2) expansion
(3) exhaust
(4) suctionThe correct sequence is
A.(4)-(2)-(3)-(1)
B.(4)-(3)-(1)-(2)
C.(4)-(3)-(2)-(1)
D.(4)-(1)-(2)-(3)
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A.precautions
B.rpm
C.indicator cards
D.B and C
A.repair list
B.spare parts order list
C.price list
D.bunker list
A.correct maneuvering
B.wear
C.working efficiency
D.maintenance
A.friction
B.collision
C.inertia
D.resistance
A.in order that
B.because of
C.in order to
D.owing to
最新試題
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