常见例句Normal operations The nose of insulator appears yellow-brown, brown or lightish gery, electrode erosion is light. It shows the spark plug is suitable for the engine. 正常狀況火花塞絕緣躰裙耑呈黃褐色,褐色或淺灰白色,電極燒蝕很小,表明該火花塞與發動機是匹配的。 返回 lightish