精品国产一区丝袜免费网站_最新国产毛片在线_最近中文字幕在线精品视频_中国成人一级毛片免费_国产成年女人视频免费观看_海量麻豆激情视频资源_亚洲无毛精品在线观看_女被男狂揉吃奶胸60分钟视频_精品久久一区二区三区毛片_亚洲精品无码白丝喷白浆在线

Structure and working principle of electromagnetic oil scale and sensor magnetic oil scale and variable resistance sensor, is used in the fuel tank oil level height changes to change the sensor resistance size, make the oil scale changes of left, right inside the coil current. In two synthesized under the action of magnetic field, coil rotor with Pointers to deflect, thus indicating the oil surface height.