sparking plug spark plug
火花塞;
it should be a solid connection between the plug from controller with the cigarette-plug from the car
控制器的点烟器插头要和汽车上的点烟器插座要插接牢固.;
fused plug safety plug
安全塞;
plug to-plug adapter
双阳接合器;
plug thread gauge thread plug gauge
螺纹塞规;