spark plug
英 美
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。
All readings are taken on each firing of the spark plug.
所有数据都在采取每一个射击的火花塞。
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