1. 爆声：爆声(Ping)引擎在加速时所产生的爆震现象,此因点火正时提前太多或燃料的辛烷值过低所致. 活塞(Piston)一种装在汽缸内活动的机件,能在压力改变时接受或传递动力. 就引擎而言是指在汽缸内上下滑动,并藉助连杆,迫使曲轴旋转的圆形机件.

2. ping什么意思

2. ping：packet internetwork grouper; 网络回声

3. ping是什么意思

3. ping：packet internet groper; 包因特网查询工具

1. （铃或金属）发出当（或砰）的响声
    If a bell or a piece of metal pings, it makes a short, high-pitched noise.

    e.g. The lift bell pinged at the fourth floor.
           电梯铃在第五层响了。

1. a sharp high-pitched resonant sound (as of a sonar echo or a bullet striking metal)

1. send a message from one computer to another to check whether it is reachable and active

    e.g. ping your machine in the office

2. contact, usually in order to remind of something

    e.g. I''ll ping my accountant--April 15 is nearing

3. hit with a pinging noise

    e.g. The bugs pinged the lamp shade

4. make a short high-pitched sound

    e.g. the bullet pinged when they struck the car

5. sound like a car engine that is firing too early

    e.g. the car pinged when I put in low-octane gasoline
           The car pinked when the ignition was too far retarded

    Synonym: pinkknock