A.piston skirt
B.piston crown
C.guide way
D.cross-head
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A.between；to
B.either；or
C.from；to
D.neither；nor
A.to help
B.to limit
C.to protect
D.to remove
A.a reduction
B.an increase
C.an outing
D.a downwards
A.cylinder cover
B.cylinder block
C.cylinder frame
D.bed-plate
A.tie rods
B.through bolts
C.lead wires
D.bearing caps
最新試題
The function of diesel engine piston compression rings is to （）.
In using reduction gears to obtain efficient propeller speeds, （）.
A thrust bearing is used with a propulsion diesel engine to （）.
To determine if the lube oil filter elements need changing, （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
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?（）
White smoke exhausting from an operating diesel engine may indicate （）.
When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Combustion knock can occur in the cylinders of a diesel engine under any condition permitting （）.