短語(yǔ)詞組短語(yǔ)automatic c block system 鐵路自動(dòng)閉塞系統(tǒng)automatic block system ABS 自動(dòng)閉塞系統(tǒng)-display automatic block system 四顯示自動(dòng)閉塞系統(tǒng)4 -display automatic block system 四顯示自動(dòng)閉塞系統(tǒng)all -relay semi-automatic block system 繼電半自動(dòng)閉塞block system automatic 自動(dòng)閉塞制system automatic block 自動(dòng)閉鎖系統(tǒng);自動(dòng)閉塞制Automatic -block between railway stations system 站間自動(dòng)閉塞系統(tǒng) 返回 automatic block system