Early favorable results led the Metro to equip all trains on its Line B - the newest line, and the line with the greatest flange wear - with the Kelsan LCF system.

• 早期令人满意的测试结果促使地铁公司在其最新的B线，也是轮缘磨损最厉害的线路上，将所有列车都安装了凯尔森的LCF系统。