***** :-:  ***** * [2-5、标准道闸主板](2-5%E3%80%81%E6%A0%87%E5%87%86%E9%81%93%E9%97%B8%E4%B8%BB%E6%9D%BF.md) * * [2-5-a、概序](2-5-a%E3%80%81%E6%A6%82%E5%BA%8F.md) * * [2-5-b、安装与调试](2-5-b%E3%80%81%E5%AE%89%E8%A3%85%E4%B8%8E%E8%B0%83%E8%AF%95.md) * * [2-5-c、故障分析](2-5-c%E3%80%81%E6%95%85%E9%9A%9C%E5%88%86%E6%9E%90.md) *****