The free electrons move into the saltwater, then into the clean copper plate, into the wire, through the meter, and back to the cuprous oxide plate.
自由电子进入盐水，然后把干净的铜板，到线，通过米，并回到氧化亚铜板。
2
Chemical fiber industry is the main instrument gas and absorb gun, printing and dyeing main gas wire is power and gas meter.
化纤行业主要是仪表气和吸丝枪用气，印染主要是动力和仪表用气。
3
Presented in this paper is a displacement meter of resistance type of slide on the double wire. This meter is specially suitable for the measurement of the large displacement due to dynamical effects.