In a diesel engine, there is nospark plug. Instead, diesel fuel is injected into the cylinder, and the heat and pressure of the compression stroke cause the fuel to ignite.
柴油发动机内没有火花塞，取而代之的是将柴油喷入发动机气缸，然后压缩冲程在高温高压下引起燃料点火。
3
Unlike Victor Frankenstein, though, they needed no extra spark of Promethean lightning to give the creature its living essence.