A、water cooling
B、oil cooling
C、air cooling
D、combined cooling
更多“The piston crown employs the usual jet-shaker principle with an arrangement of cooling bores in the crown so that the surface temperatures of the crown are moderate with a very even distribution（）”相关的问题
A、atop the piston crown B、beneath the piston crown C、at the base of the piston skirt D、inside the cylinder liner cooling water jacket
A、Excessive piston to liner clearance B、The underside of the piston crown being excessively dirty lowering the rate of heat transfer C、Faulty nozzle spray D、All of the above
A、excessive piston to liner clearance B、excessive dirt beneath the piston crown that reduces heat transfer C、faulty nozzle spray D、all of the above
A、Shape of the piston crowns B、Increasing the compression ratios C、Increasing the piston crowns D、Increasing the turbocharger gear ratio
A、not taper what so ever B、the skirt being tapered and smaller than the crown C、the skirt being tapered and larger than the crown D、the crown being tapered and smaller than the skirt
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