对车挡表示器的改进建议徐建根，彭乾炼车挡表示器的作用主要是在昼夜作业中显示车挡位置。在实现功能的基础上，对车挡表示器提出如下改进建议：《技规》要求车挡表示器夜间显示一个红色灯光，主要考虑夜间作业无法看清红牌。随着新技术、新材料的开发运用，反光膜、反光... Suggestion on the improvement of the gear indicator Xu Jiangen and Peng Qianlian The role of the gear indicator is mainly to display the gear position in day and night operation. On the basis of the realization of the function, the following suggestions for improvement of the gear indicator are proposed: “Technical Regulation” requires the gear indicator to display a red light at night, mainly considering that the night card can not see the red card. With the development of new technologies, new materials, reflective film, reflective ...