单选题
1分
The working cycle of a four-stroke diesel engine consists of four events: ① compression; ② expansion...
The working cycle of a four-stroke diesel engine consists of four events: ① compression; ② expansion; ③ exhaust; ④ suction. The correct sequence is ____.
参考答案: D
参考解析: 注:四冲程的先后次序应该是吸气,压缩,膨胀,排气。