一刹车油检测仪 DUOYI 检测水分含量 拍下 减现金 升级款 油型选择 0Y23B D0T5.1 DUOYI Birake Fluid Teste DY23 Brake Fluld Tester 4.0% STOP 3.0% 2.5% DOT4 1.5% 声光报警 1.0% 0.1% DOT4 DOT3 DOT3 00T4 D0T5.1 液晶显示 DOT3 DOT4 DOTS.1 POWER SELECT 选配 型号DY23B 型号8DY23