干电池充电法石嘴山市简泉农场中学王振凡干电池是实验室分组实验的重要器材。由于干电池价格上扬和各学校教育经费紧张，干电池一次性使用费用很高。今介绍如下充电方法，可使干电池以旧复新，反复使用。充电操作简便，器材各校都有，不必专款购置。介绍如下：一、器材旧... Dry Battery Charging Method The Wang Zhenfan Dry Battery in Shizuishan City, Shizuishan City, is an important equipment for laboratory grouping experiments. Due to the rising price of dry batteries and the tight funding for education in various schools, the one-time use cost of dry batteries is very high. Introduce the following charging methods this time, can make the old battery new, use repeatedly. The charging operation is simple and the equipment is available in all schools. No special purchase is required. The introduction is as follows: First, the equipment is old...