dirty spark plugs
肮脏的火花塞
以上为机器翻译结果,长、整句建议使用 人工翻译 。
In addition, spark plugs may also become plugged or dirty due to inefficient fuel burning.
另外,火花塞也有可能成为堵塞或脏因燃料燃烧效率低。
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He checked to see if the battery terminals were dirty, tested the spark plugs and the alternator, inspected the grounding bolts for signs of a short circuit.
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