单选题Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）AHigh sulphur content fuelBHigh lube oil temperaturesCHigh vanadium content fuelDExcessive piston slap
单选题
Which of the listed conditions can cause lacquer to be deposited on a piston skirt?（）
A
High sulphur content fuel
B
High lube oil temperatures
C
High vanadium content fuel
D
Excessive piston slap
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