The function of the piston compression rings used in a diesel engine is to （）
- Aseal the space between the piston and liner
- Btransmit heat from the piston to the cylinder liner
- Creduce the amount of combustion gas blow-by
- Dall of the above
问题
The function of the piston compression
参考解析：
分类：船舶电气与船舶安全题库
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