A、alternation of side thrust
B、a breakdown of the lube oil film on the cylinder wall
C、worn piston boss piston pin bearings
D、fluctuating gas pressure in the combustion space
更多“If clearance between a piston and the cylinder wall is excessive, piston slap will occurThe slap itself is caused by （）”相关的问题
A、clearance between the top of the valve stem and the rocker arm B、compression of the valve springs C、clearance between the valve seat inserts and the head D、out of roundness of the fuel injection cams
A、valve will open later B、valves will close later C、amount of fuel injected will be increased D、amount of fuel injected will be decreased
A、increased compression ratio B、decreased compression ratio C、increased bearing clearance D、decreased bearing clearance
A、ff overheat is found, the engine must be stopped for inspection B、Much heat of the crankcase door indicates that the bearing is overheated C、If bearing clearance is too large, knocking will be heard in the crankcase D、If bearing clearance is too large or too small, the white metal may be melted
A、Decreased connecting rod bearing clearance B、Increased connecting rod bearing clearance C、Decreased compression ratio D、Increased compression ratio
A、arranging for the insurance of goods B、arranging import customs clearance C、arranging for transshipment en route if necessary D、arranging export customs clearance
A、arranging for the insurance of goods B、arranging import customs clearance C、arranging for transshipment en route if necessary D、arranging export customs clearance
A、arranging for the insurance of goods B、arranging import customs clearance C、arranging for transshipment en route if necessary D、arranging export customs clearance
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