单选题Which of the following problems may occur if the clearance between a piston and cylinder liner is insufficient?（）AExcessive wearBScuffing of the linerCPiston seizureDAll of the above
单选题
Which of the following problems may occur if the clearance between a piston and cylinder liner is insufficient?（）
A
Excessive wear
B
Scuffing of the liner
C
Piston seizure
D
All of the above
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解析：
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