spark plug electrode造句

A " spark plug gap valve lash, will give erroneous results, due to the shape of spark plug electrodes.
The dieseling phenomenon occurs not just because the compression ratio is sufficient to cause auto-ignition of the fuel, but also because a hot spot inside the cylinder ( spark plug electrode, combustion-chamber / valve edge or even excess carbon ) starts combustion.
It's difficult to find spark plug electrode in a sentence. 用spark plug electrode造句挺难的