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1·The inspection preheats sparking plug condition.

检查预热火花塞状况。

2·From sparking plug lead, reverse polarity protected.

从引发插件铅，反向极性保护。

3·The mixture was ignited at the blade tip by an automobile sparking plug.

被点燃的混合物在叶尖的汽车火花塞。

4·The studies on the composition and glazing technique of the black glaze have been made on the basis of the properties of sparking plug insulator containing 95% Al2O3 in this paper.

本文根据火花塞瓷件95氧化铝瓷的特性要求，对黑釉的配方及上釉工艺进行了研究。

5·They constitute a four-way plug-in personality, each sparking the circuit in his own way.

他们在人格上仍是“四合一”，只是以各自的方式放出火花。