Before the electrical current puts into operation in a spark plug, the two points of contact have to be gapped.

在电流通入火花塞中使它运转之前，两个接触点之间需要有空隙。

The spark plug needs cleaning.

火花塞需要清洗一下。

Check the spark plug for defect.

查火星塞瑕疵。

Also called the spark plug.

也叫火星塞。

Fuel is ignited by the spark plug.

燃料由火花塞点火。